GMC Sierra mk1 (2006) – fuse box diagram

GMC Sierra mk1 (2006) – fuse box diagram

Year of production: 2006

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side edge of the instrument panel.

GMC Sierra mk1 - fuse box - instrument panel
GMC Sierra mk1 – fuse box – instrument panel
Fuses Usage
RR WPR Not Used
SEO ACCY Special Equipment Option Accessory
WS WPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-Wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay) Power Door Lock Relay (Lock Function)
HVAC 1 Climate Control System
L DOOR Driver’s Door Harness Connection
CRUISE Cruise Control, Power Take Off (PTO)
UNLOCK (Relay) Power Door Lock Relay (Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Driver’s Door Unlock Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Windows Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller

Center Instrument Panel Fuse Block

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

GMC Sierra mk1 - fuse box - center instrument panel
GMC Sierra mk1 – fuse box – center instrument panel
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Upfitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Windows Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

Underhood Fuse Block

The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery.

GMC Sierra mk1 - fuse box - engine compartment
GMC Sierra mk1 – fuse box – engine compartment
GAS
1 INJ 2
2 INJ 1
3 02A
4 02B
5 ING 1
6 PCMB
DIESEL
1 EDU
2 ACTUATOR
3 FUEL HTR
4 ECM 1
5 ECM
6 ECMB
EXCEPT H2
7 RR HVAC
8 S/ROOF
H2
7 S/ROOF
8

*1 Fuel Injection Rail #2-Gasoline Engine; Engine Control Module-Diesel Engine.
*2 Fuel Injection Rail #1-Gasoline Engine; Actuator-Diesel Engine.
*3 Oxygen Sensors-Gasoline Engine; Fuel Heater-Diesel Engine.
*4 Oxygen Sensors-Gasoline Engine; Engine Control Module 1-Diesel Engine.
*5 Ignition 1-Gasoline Engine; Engine Control Module-Diesel Engine.
*6 Powertrain Control Module B-Gasoline Engine; Engine Control Module B-Diesel Engine.
*7 Rear Climate Control.
*8 Sunroof.

Fuses Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
S/ROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/Quadrasteer Module Power
RR HVAC Not Used
AUX PWR Auxiliary Power Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
AIRBAG Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP Air Conditioning Compressor Relay
RR WPR Not Used
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield Washer Pump Relay
W/S WASH Windshield Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist

Auxiliary Electric Cooling Fan Fuse Block

The auxiliary electric cooling fan fuse block is located in the engine compartment on the driver’s side of the vehicle next to the underhood fuse block.

GMC Sierra mk1 - fuse box - auxiliary box
GMC Sierra mk1 – fuse box – auxiliary box
Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays Usage
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 3 Cooling Fan Relay 3
COOL/FAN 2 Cooling Fan Relay 2

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Sierra mk1 (2005) – fuse box diagram

GMC Sierra mk1 (2005) – fuse box diagram

Year of production: 2005

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side edge of the instrument panel.

GMC Sierra mk1 - fuse box - instrument panel
GMC Sierra mk1 – fuse box – instrument panel
Fuses Usage
RR WPR Not Used
SEO ACCY Special Equipment Option Accessory
WS WPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-Wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay) Power Door Lock Relay (Lock Function)
HVAC 1 Climate Control System
L DOOR Driver’s Door Harness Connection
CRUISE Cruise Control, Power Take Off (PTO)
UNLOCK (Relay) Power Door Lock Relay (Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Driver’s Door Unlock Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Windows Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller

Center Instrument Panel Fuse Block

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

GMC Sierra mk1 - fuse box - center instrument panel
GMC Sierra mk1 – fuse box – center instrument panel
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Upfitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Windows Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

Underhood Fuse Block

The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery.

GMC Sierra mk1 - fuse box - engine compartment
GMC Sierra mk1 – fuse box – engine compartment

 

GAS
1 INJ 2 15A
2 INJ 1 15A
3 02A 15A
4 02B 15A
5 ING 1
DIESEL
1 EDU 25A
2 ECMRPV 15A
3 FUEL HT 15A
4 ECM 15A
5 EDU
EXCEPT H2
6 RR HVAC 30A
7 S/ROOF 25A
H2
6 S/ROOF 30A
7

 

*1 — Gasoline Engine and Diesel Engine.
*2 — Gasoline Engine; ECMRPV — Diesel Engine.
*3 — Gasoline Engine; FUEL HT — Diesel Engine.
*4 — Gasoline Engine; ECM I — Diesel Engine.
*5 — IGN/EDU

Fuses Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
S/ROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/Quadrasteer Module Power
RR HVAC Not Used
AUX PWR Auxiliary Power Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
AIRBAG Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP Air Conditioning Compressor Relay
RR WPR Not Used
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield Washer Pump Relay
W/S WASH Windshield Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist

Auxiliary Electric Cooling Fan Fuse Block

The auxiliary electric cooling fan fuse block is located in the engine compartment on the driver’s side of the vehicle next to the underhood fuse block.

GMC Sierra mk1 - fuse box - auxiliary box
GMC Sierra mk1 – fuse box – auxiliary box
Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse

 

Relays Usage
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 3 Cooling Fan Relay 3
COOL/FAN 2 Cooling Fan Relay 2

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Sierra mk1 (2003 – 2004) – fuse box diagram

GMC Sierra mk1 (2003 – 2004) – fuse box diagram

Year of production: 2003, 2004

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side edge of the instrument panel.

GMC Sierra mk1 - fuse box - instrument panel
GMC Sierra mk1 – fuse box – instrument panel
Fuses Usage
RR Wiper Not Used
SEO ACCY Special Equipment Option Accessory
WS WPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-Wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay) Power Door Lock Relay (Lock Function)
HVAC 1 Climate Control System
L DOOR Driver’s Door Harness Connection
CRUISE Cruise Control, Power Take Off (PTO)
UNLOCK (Relay) Power Door Lock Relay (Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Driver’s Door Unlock Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Windows Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller

Center Instrument Panel Fuse Block

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

GMC Sierra mk1 - fuse box - center instrument panel
GMC Sierra mk1 – fuse box – center instrument panel
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Upfitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Windows Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

Underhood Fuse Block

The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery.

GMC Sierra mk1 - fuse box - engine compartment
GMC Sierra mk1 – fuse box – engine compartment

*1 — Gasoline Engine and Diesel Engine.
*2 — Gasoline Engine; ECMRPV — Diesel Engine.
*3 — Gasoline Engine; FUEL HT — Diesel Engine.
*4 — Gasoline Engine; ECM I — Diesel Engine.
*5 — IGN/EDU

Fuses Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/Quadrasteer Module Power
RR HVAC Not Used
AUX PWR Auxiliary Power Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
SIR Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP Air Conditioning Compressor Relay
RR WPR Not Used
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield Washer Pump Relay
W/S WASH Windshield Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Sierra mk1 (2001 – 2002) – fuse box diagram

GMC Sierra mk1 (2001 – 2002) – fuse box diagram

Year of production: 2001, 2002

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block.

GMC Sierra mk1 - fuse box - instrument panel
GMC Sierra mk1 – fuse box – instrument panel
Name Usage
L BODY Retained Accessory Power Relay
LOCK Power Door Locks
DRV UNLOCK Power Door Lock Relay
LOCK Power Door Lock Relay
HVAC 1 Climate Control System
CRUISE Cruise Control, Instrument Panel Cluster
IGN 3 Ignition, Power Seats
4WD Four-Wheel Drive System, Auxiliary Battery
CRANK Starting System
INT PRK Parking Lamps, Sidemarker Lamps, Interior Lamps
L DOOR Power Door Lock Relay
BRAKE Anti-Lock Brake System
RR WIPER Not Used
ILLUM Interior Lamps
SEAT Power Seat Circuit Breaker
TURN Exterior Lamps, Turn Signals, Hazard Lamps
UNLOCK Power Door Locks
HTR A/C Climate Control System
WS WPR Windshield Wipers
IGN 1 Ignition, Instrument Panel
AIR BAG Air Bag
MIR/LOCK Power Mirrors, Power Door Locks
DR LOCK Power Door Locks
PWR WDO Power Window Circuit Breaker
UNLOCK Power Door Lock Relay
IGN 0 PRND321 Display, Odometer, PCM
SEO IGN Special Equipment Option, Ignition, Manual Selectable Ride
SEO ACCY Special Equipment Option Accessory, Cellular Telephone
RAP #1 Retained Accessory Power Relay
RDO 1 Audio System
RAP #2 Not Used

Center Instrument Panel Utility Block

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

GMC Sierra mk1 - fuse box - center instrument panel
GMC Sierra mk1 – fuse box – center instrument panel
Name Usage
SEO Special Equipment Option
HTD ST Heated Seats
SPARE 4 Not Used
VANITY Headliner Wiring
TRAILER Trailer Brake Wiring
PWR ST Power Seats
SPARE 5 Not Used
CLUTCH Manual Transmission Clutch Switch
UPF Upfitter
PARK LAMP Parking Lamps (Relay)
FRT PRK EXPT Not Used (Fuse)
SL RIDE Manual Selectable Ride Switch
SPARE 2 Not Used
RR PRK LP Not Used (Relay)
RR FOG LP Not Used (Relay)
SPARE 3 Not Used
INADV PWR Interior Lights Feed
CTSY LP Courtesy Lamps
CEL PHONE Cellular Telephone Wiring

Underhood Electrical Center

The underhood electrical center is located on the driver’s side of the engine compartment near the battery.

GMC Sierra mk1 - fuse box - engine compartment
GMC Sierra mk1 – fuse box – engine compartment

*1 INJ B–Gasoline Engine and Diesel Engine.
*2 ECM I–Gasoline Engine; ECMRPV–Diesel Engine.
*3 02 A–Gasoline Engine; FUEL HT–Diesel Engine.
*4 02 B–Gasoline Engine; ECM I–Diesel Engine.

Name Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Accessory Power/Trailer Wiring Feed
ABS Anti-Lock Brakes
IGN A Ignition Switch
AIR A.I.R. System
RAP #1 Retained Accessory Power, Power Mirrors, Power Door Locks, Power Seat(s)
IGN B Ignition Switch
RAP #2 Not Used
STUD #2 Accessory Power/Trailer Wiring Brake Feed
SPARE Spare Fuse
TRL R TRN Right Turn Signal Trailer Wiring
TRL L TRN Left Turn Signal Trailer Wiring
IGN 1 Ignition, Fuel Controls (Relay)
INJ B Ignition, Fuel Controls
STARTER Starter (Relay)
PARK LP Parking Lamps
FRT HVAC Climate Control System
STOP LP Exterior Lamps, Stoplamps
ECM I PCM
ECMRPV Fuel Controls, ECM
CHMSL Center High Mounted Stoplamp
VEH STOP Stoplamps, Cruise Control
TRL B/U Backup Lamps Trailer Wiring
INJ A Fuel Controls, Ignition
RR HVAC Not Used
VEH B/U Vehicle Backup Lamps
ENG 1 Engine Controls, Canister Purge, Fuel System
ETC Electronic Throttle Control
IGN E A/C Compressor Relay, Rear Window Defogger, Daytime Running Lamps, A.I.R. System
B/U LP Backup Lamps, Automatic Transmission Shift Lock Control System
ATC Automatic Transfer Case
RR DEFOG Rear Window Defogger, Heated Mirrors (Relay)
RR PRK Right Rear Parking Lamps
ECM B PCM
F/PMP Fuel Pump (Relay)
O2 A Oxygen Sensors
FUEL HT Fuel Heater, Glow Plug and Intake Heater Controls
O2 B Oxygen Sensors
LR PRK Left Rear Parking Lamps
RR DEFOG Rear Window Defogger, Heated Mirrors
HDLP Headlamps (Relay)
TRL PRK Parking Lamps Trailer Wiring
RT HDLP Right Headlamps
DRL Daytime Running Lamps (Relay)
HTD MIR Heated Mirrors
LT HDLP Left Headlamps
A/C Air Conditioning
AUX PWR Cigarette Lighter, Auxiliary Power Outlets
SEO 2 Special Equipment Option Power, Power Seats, Aux Roof Mnt Lamp
SEO 1 Special Equipment Option Power, Aux Roof Mnt Lamp, Cell Phone, OnStar
DRL Daytime Running Lamps
A/C A/C (Relay)
FOG LP Fog Lamps
FOG LP Fog Lamps (Relay)
RADIO Audio System, Instrument Cluster, Climate Control System
CIGAR Cigarette Lighter, Auxiliary Power Outlets
RT TURN Right Turn Signals
BTSI Automatic Transmission Shift Lock Control System
LT TURN Left Turn Signals
FR PRK Front Parking Lamps, Sidemarker Lamps
W/W PMP Windshield Washer Pump
HORN Horn (Relay)
IGN C Ignition Switch, Fuel Pump, PRND321 Display, Crank
RDO AMP Not Used
HAZ LP Exterior Lamps, Hazard Lamps
EXP LPS Not Used
HORN Horn
CTSY LP Interior Lamps
RR WPR Not Used
TBC Body Control Module, Remote Keyless Entry, Headlamps

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Sierra mk1 (1999 – 2000) – fuse box diagram

GMC Sierra mk1 (1999 – 2000) – fuse box diagram

Year of production: 1999, 2000

 

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block.

GMC Sierra mk1 - fuse box - instrument panel
GMC Sierra mk1 – fuse box – instrument panel
Fuse/Circuit Breaker Usage
1 Stop/TCC Switch, Buzzer, CHMSL, Hazard Lamps, Stoplamps
2 Transfer Case
3 Courtesy Lamps, Cargo Lamp, Glove Box Lamp, Dome/Reading Lamps, Vanity Mirrors, Power Mirrors
4 Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated Entry Module, DRAC (Diesel Engine)
5 Not Used
6 Cruise Control
7 Auxiliary Power Outlet
8 Crank
9 License Lamp, Parking Lamps, Taillamps, Roof Marker Lamps, Tailgate Lamps, Front Sidemarkers, Fog Lamp Relay, Door Switch Illumination, Fender Lamps, Headlamp Switch Illumination
10 Not Used
11 Wiper Motor, Washer Pump
12 A/C, A/C Blower, High Blower Relay
13 Power Amp, Cigarette Lighter, Door Lock Relay, Power Lumbar Seat
14 4WD Indicator, Cluster, Comfort Controls, Instrument Switches, Radio Illumination, Chime Module
15 DRL Relay, Fog Lamp Relay
16 Front and Rear Turn Signals, Back-Up Lamps, BTSI Solenoid
17 Radio (Ignition)
18 4WAL/VCM, ABS, Cruise Control
19 Radio (Battery)
20 PRNDL, Automatic Transmission, Speedometer, Check Gages Warning Light
21 Security/Steering
22 Not Used
23 Not Used
24 Front Axle, 4WD Indicator Lamp, TP2 Relay (Gasoline Engine)
A Power Door Lock, Six-Way Power Seat, Keyless Entry Module
B Power Windows

Underhood Fuse/Relay Center

The underhood fuse/relay center is located in the rear of the engine compartment near the brake fluid reservoir.

GMC Sierra mk1 - fuse box - engine compartment
GMC Sierra mk1 – fuse box – engine compartment
Name Usage
ECM-B Fuel Pump, PCM/VCM
RR DEFOG Rear Window Defogger
IGN-E Auxiliary Fan Relay Coil, A/C Compressor Relay, Hot Fuel Module, Dual Tanks
HORN Horn, Underhood Lamps
AUX FAN Auxiliary Fan
ECM-1 Injectors, PCM/VCM, Fuel Solenoid (Diesel Engine, Fuel Control Module (Diesel Engine)
HTD ST-FR Not Used
A/C Air Conditioning
HTD MIR Not Used
ENG-1 Ignition Switch, EGR, Canister Purge, EVRV Idle Coast Solenoid, MAF, Heated O2, Fuel Heater (Diesel Engine), Water Sensor (Diesel Engine), Boost Solenoid (Diesel Engine), EPR (Diesel Engine)
HTD ST-RR Not Used
LIGHTING Headlamp and Panel Dimmer Switch, Fog and Courtesy Fuses
BATT Battery, Fuse Block Busbar
IGN-A Ignition Switch
IGN-B Ignition Switch
ABS Anti-Lock Brake Module
BLOWER High Blower Relay
STOP/HAZ Stoplamps
HEATED SEATS Not Used

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Savana (from 2011) – fuse box diagram

GMC Savana (from 2011) – fuse box diagram

Year of production: 2011, 2012, 2013, 2014, 2015, 2016

Engine Compartment Fuse Block

The fuse block is located in the engine compartment on the driver side of the vehicle.

GMC Savana - fuse box - engine compartment
GMC Savana – fuse box – engine compartment
Mini Fuse Usage
3 Right Stop/Turn Trailer
4 Spare
5 Spare
6 Fuel System Control Module Ignition
7 Body Control Module 5
8 Body Control Module 7
9 Body Control Module 4
10 Instrument Panel Cluster
11 Trailer Wiring
12 Spare
13 Brake Switch
14 Windshield Washer
16 Horn
17 Transmission
18 Air Conditioning Compressor
19 Engine Control Module Battery
20 Spare
21 Left Stop/Turn Trailer
22 Spare
23 Spare
24 Fuel Pump
25 Auxiliary Power Outlet
26 Body Control Module 3
27 Special Equipment Option
28 Airbag
29 Steering Wheel Sensor
30 Engine Control Module Ignition/Glow Plug Module
31 Transmission Control Module Ignition
32 Transmission Control Module Battery
33 Spare
34 Spare
35 Fuel Operated Heater Module
36 Fuel System Control Module Battery
51 Left High‐Beam Headlamp
52 Right High‐Beam Headlamp
53 Left Low‐Beam Headlamp
54 Right Low‐Beam Headlamp
55 Wiper
56 Canister Vent Solenoid
58 Body Control Module 2
59 Body Control Module 1
61 Spare
61 Oxygen Sensor 2 (Post), EV Fan (Diesel)
63 Spare
64 Mass Air Flow/Canister Vent
65 Odd Ignition/Injectors
66 Daytime Running Lamps 2 (LOLVL‐V22) (If Equipped)
67 Daytime Running Lamps 1 (UPLVL+V22) (If Equipped)
68 Auxiliary Stop Lamps
69 Spare
70 Spare
71 Fuel Heater
72 Body Control Module 6
73 Lighter/Data Link Connection
75 V6 Fuel Injectors
76 Spare
77 Oxygen Sensor 2 (Pre)
78 Engine Control Module Powertrain
79 Even Ignition/Injectors

 

J-Case Fuse Usage
1 ABS Motor
2 ABS Module
41 Spare
42 Trailer Wiring
43 Fan High
44 Starter Solenoid
45 Engine Control Module/Powertrain
46 Fuel System Control Module Battery
47 Fan Lo
74 Front Blower

 

Relay Usage
15 Run/Crank
37 Spare
38 Fuel Pump
39 Crank
40 Air Conditioning Compressor
48 Fan High
49 Powertrain
50 Spare
57 Fan Low
60 Fan Control

Floor Console Fuse Block

The floor console fuse block is located under the driver seat.

GMC Savana - fuse box - passenger compartment
GMC Savana – fuse box – passenger compartment
Mini-Fuse Usage
F1 Empty
F2 Steering Wheel Sensor
F3 Auxiliary Parking Lamps (Cut‐Away)
F4 Front Park Lamps
F5 Trailer Park Lamps
F6 Upfitter Park Lamps
F7 Right Rear Park Lamp
F8 Left Rear Park Lamp
F9 Outside Rear View Mirror Switch
F10 Airbag/Automatic Occupant Sensing
F11 OnStar® (If Equipped)
F12 Empty
F13 Heating, Ventilation and Air Conditioning 2
F14 Heating, Ventilation and Air Conditioning 1
F15 Empty
F17 Outside Rear View Mirror Heater
F18 Rear Window Defogger
F19 Compass
F20 Radio/Chime/XM™ Satellite Radio (If Equipped)
F21 Remote Function Actuator/Tire Pressure Monitor
F22 Ignition Switch/Discrete Logic Ignition Sensor (PK3)
F23 Instrument Panel Cluster
F25 Heating, Ventilation and Air Conditioning Control
F26 Auxiliary/Trailer Backup
F27 Taillamps Backup
F30 Upfitter Courtesy Lamps
F31 Front Door Lock
F32 Rear Door Lock
F33 Cargo Door Unlock
F34 Passenger Door Unlock
F35 Rear Passenger Door Unlock
F36 Driver Door Unlock
F37 Empty
F38 Empty

 

J-Case Fuse Usage
F16 Upfitter Auxiliary 1
F24 Empty
F28 Upfitter Auxiliary 2 Reading Lamps
F29 Rear Blower

 

Relay Usage
K1 Run (High Current Micro)
K2 Empty (High Current Micro)
K3 Park Lamps (High Current Micro)
K4 Upfitter Auxiliary 2 (High Current Mini)
K5 Rear Defogger (High Current Micro)
K6 Retained Accessory Power (RAP) (High Current Micro)

 

Circuit Breaker Usage
CB1 Power Seats
CB2 Power Windows

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Savana (2008 – 2010) – fuse box diagram

GMC Savana (2008 – 2010) – fuse box diagram

Year of production: 2008, 2009, 2010

Floor Console Fuse Block

The floor console fuse block is located under the driver’s seat.

GMC Savana - fuse box - passenger compartment
GMC Savana – fuse box – passenger compartment
Fuse Usage
1 Climate Control 2 (HVAC)
2 Compass
3 Ignition Switch, Theft Deterrent System Module (PK3)
4 Upfitter Courtesy Lamps
5 Climate Control 1 (HVAC)
6 Empty
7 Instrument Panel Cluster
8 Audio System, Chime
9 Auxiliary Park Lamp
10 Auxiliary Trailer Back-up Lamps
11 Remote Function Actuator, Tire Pressure Monitor (TPM)
12 Climate Control (HVAC) Controls
13 Trailer Park Lamps
14 Front Park Lamps
15 Taillamps, Back-up Lamps
16 Empty
17 Steering Wheel Sensor
18 Outside Rearview Mirror Switch
19 Empty
20 Empty
21 Rear Defogger
22 Outside Rearview Mirror Heater
23 Empty
24 Empty
25 Cargo Door Unlock
26 Rear Door Lock
27 Front Door Lock
28 Rear Passenger Door Unlock
29 Upfitter Park Lamps
30 Front Passenger Door Unlock
31 Driver Door Unlock
32 Airbag System, Automatic Occupant Sensing (AOS) System
33 Right Rear Park Lamp
34 Left Rear Park Lamp
35 Upfitter Auxiliary 2 (J-Case)
36 Upfitter Auxiliary 1 (J-Case)
37 Rear Blower (J-Case)
38 Empty (J-Case)

 

Relays Usage
39 Run (High Current Micro)
40 Park Lamps (High Current Micro)
41 Empty (Mini Micro)
42 Upfitter Auxiliary 2 (High Current ISO Relay)
43 Retained Accessory Power (RAP) (High Current Micro)
44 Rear Defogger (High Current Micro)

 

Circuit Breaker Usage
45 Power Window
46 Power Seats

Engine Compartment Fuse Block

The fuse block is in the engine compartment on the driver’s side of the vehicle.

GMC Savana - fuse box - engine compartment
GMC Savana – fuse box – engine compartment
Fuse Usage
1 Left High-Beam Headlamp
2 Fuel Pump
3 Empty
4 Fuel Heater (Diesel)
5 Right High-Beam Headlamp
6 Empty
7 Left Low-Beam Headlamp
8 Right Stoplamp, Trailer Turn Signal
9 Right Low-Beam Headlamp
10 Daytime Running Lamps 2 (DRL)
11 Fuel System Control Module Ignition (Gas)
12 Daytime Running Lamps 1 (DRL)
13 Auxiliary Stoplamp
14 Fuel Operated Heater Module (Diesel)
15 Fuel System Control Module Battery (Gas)
16 Left Stoplamp, Trailer Turn Signal
17 Canister Vent Solenoid (Gas)
18 Empty
19 Empty
20 Body Control Module 1
21 Special Equipment Option (SEO)
22 Body Control Module 4
23 Body Control Module 6
24 Empty
25 Body Control Module 7
26 Body Control Module 3
27 Body Control Module 5
28 Empty
29 Empty
30 Instrument Panel Cluster
31 Empty
32 Brake Switch
33 Auxiliary Power Outlet
34 Airbag
35 Trailer Wiring
36 Steering Wheel Sensor (Gas)
37 Body Control Module 2
38 Cigarette Lighter, Data Link Controller
39 Windshield Wiper
40 Empty
41 Windshield Wipers
42 Empty
43 Horn
44 Transmission Control Module Battery
45 Empty
46 Oxygen Sensor 1 (Gas)
47 Transmission Control Module Ignition
48 Engine Control Module Ignition
49 Mass Airflow Sensor, Canister Vent
50 Engine Control Module, Powertrain
51 Transmission
52 Even Ignition Injectors (Gas)
53 Glow Plug Module (Diesel)
54 Engine Control Module Battery
55 Odd Ignition Injectors (Gas)
56 Oxygen Sensor 2 (Gas)
57 Air Conditioning Compressor
58 Fan Clutch (Diesel)
59 V6 Fuel Injectors (Gas)
60 Antilock Brake System Module (J-Case)
61 Antilock Brake System Motor (J-Case)
62 Trailer Wiring (J-Case)
63 Empty
64 Starter Solenoid (J-Case)
65 Engine Control Module (ECM), Powertrain (Diesel) (J-Case)
66 Front Blower (J-Case)
67 Empty
77 Body BEC (Mega Fuse)

 

Relay Usage
68 Empty
69 Run, Crank (High Current Micro)
70 Windshield Wiper High (High Current Micro)
71 Windshield Wiper (High Current Micro)
72 Fuel Pump (Mini Micro)
73 Crank (High Current Micro)
74 Air Conditioning Compressor (Mini Micro)
75 Fan Clutch (Diesel) (Solid State)
76 Powertrain (High Current Micro)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Savana (2006 – 2007) – fuse box diagram

GMC Savana (2006 – 2007) – fuse box diagram

Year of production: 2006, 2007

Floor Console Fuse Block

The floor console fuse block is located under the driver’s seat.

GMC Savana - fuse box - passenger compartment
GMC Savana – fuse box – passenger compartment
Fuse Usage
1 Spare
2 Outside Rear View Mirror
3 Courtesy Lamp/SEO
4 Left Rear Stop/Turn Signal
5 Cargo Locks
6 Right Rear Stop/Turn Signal
7 Driver Locks
8 Stop/Center High Mounted Stop Lamp
9 Climate Control 1
10 Climate Control
11 Brakes
12 Heated Mirror/Defogger
13 Right Rear Blower
14 Driver Turn Mirror
15 Door Locks
16 Upfitter Park
17 Not Available
18 Left Rear Park Lamp
19 Pass Turn Mirror
20 Right Rear Park Lamp
21 Trailer Park Lamp
22 Front Park Lamp
32 Auxilary1
33 Auxilary2

 

Relays Usage
23 Window Residual Accessory Power
24 Auxiliary
25 Right Rear Defogger
26 Courtesy Lamp
27 Cargo Unlock
28 Driver Unlock
29 Park Lamp
30 Door Locks
31 Passenger Unlock

 

Circuit Breaker Usage
34 Power Window

Engine Compartment Fuse Block

The fuse block is in the engine compartment on the driver’s side of the vehicle.

GMC Savana - fuse box - engine compartment
GMC Savana – fuse box – engine compartment
Fuse Usage
1 Radio Battery
2 Powertrain Control Module Battery (Gas), FOH, Engine Control Module, Transmission Control Module Battery (Diesel)
3 Left Rear Turn Lamp
4 Right Rear Turn Lamp
5 Backup Lamps Trailer Wiring
6 Ignition 0
7 Stop Lamp
8 Right Rear Defogger/Heated Mirror
9 Right Daytime Running Lamp/Turn Signal
10 Left Daytime Running Lamp/Turn Signal
11 Truck Body Control Module 4
12 Fuel Pump
13 Trailer
14 Hazard Flashers
15 Horn
16 Truck Body Control Module 3
17 Trailer Stop/Turn Signal
18 Truck Body Control Module 2
19 Truck Body Control Module
20 Remote Function Actuator
21 Engine 2 (Gas), Spare (Diesel)
22 Ignition E
23 Engine 1
24 Truck Body Control Module Ignition 1
25 Spare (Gas), Fuel Heater (Diesel)
26 Inside Rearview Mirror
27 Crankcase
28 Brake Transmission Shift Interlock System
29 Auxiliary Power Outlets
30 Cigarette Lighter
31 Instrument Panel Cluster
32 Air Conditioning
33 Spare (Gas), Engine Control Module (Diesel)
34 Canister Vent Solenoid (Gas), Rear Fog Lamps (Diesel)
35 Airbag
36 Brake Transmission Shift Interlock, Vehicle Back-Up
37 Airbag
38 Powertrain Control Module Ignition 1 (Gas), Engine Control Module, Transmission Control Module, Glow Plug Control Module Ignition 1 (Diesel)
39 Oxygen Sensor B (Gas), Spare (Diesel)
40 Oxygen Sensor A
41 Windshield Wipers
42 Right Headlamp — Low Beam
43 Left Headlamp — Low Beam
44 Left Headlamp — High Beam
45 Right Headlamp — High Beam
46 Truck Body Controller- Accessory (Gas), Truck Body Controller, Transmission Control Module Accessory (Diesel)
47 Front Windshield Wiper
48 Anti-lock Brakes, Vehicle Stability Enhancement System
49 Ignition A
50 Trailer
51 Climate Control Blower
52 Ignition B
63 Spare (Gas), Engine Control Module Actuator (Diesel)
64 Spare

 

Relay Usage
53 Windshield Wiper
54 Air Conditioning
55 Spare (Gas), Rear Fog Lamps (Diesel)
56 Headlamp — High Beam
57 Fuel Pump
58 Headlamp — Low Beam
59 Horn
SPARE (G), ECM (D) Spare (Gas), Engine Control Module (Diesel)
STRTR Starter

 

Circuit Breaker Usage
PWR SEAT Power Seat

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Savana (2003 – 2005) – fuse box diagram

GMC Savana (2003 – 2005) – fuse box diagram

Year of production: 2003, 2004, 2005

Floor Console Fuse Block

The floor console fuse block is located under the driver’s seat.

GMC Savana - fuse box - passenger compartment
GMC Savana – fuse box – passenger compartment
Fuse Usage
1 Spare
2 Outside Rear View Mirror
3 Courtesy Lamp/SEO
4 Left Rear Stop/Turn Signal
5 Cargo Locks
6 Right Rear Stop/Turn Signal
7 Driver Locks
8 Stop/Center High Mounted Stop Lamp
9 Climate Control 1
10 Climate Control
11 Brakes
12 Heated Mirror/Defogger
13 Right Rear Blower
14 Driver Turn Mirror
15 Door Locks
16 Upfitter Park
17 Not Available
18 Left Rear Park Lamp
19 Pass Turn Mirror
20 Right Rear Park Lamp
21 Trailer Park Lamp
22 Front Park Lamp
32 Auxilary1
33 Auxilary2

 

Relays Usage
23 Window Residual Accessory Power
24 Auxiliary
25 Right Rear Defogger
26 Courtesy Lamp
27 Cargo Unlock
28 Driver Unlock
29 Park Lamp
30 Door Locks
31 Pass Unlock

 

Circuit Breaker Usage
34 Power Window

Engine Compartment Fuse Block

The fuse block is in the engine compartment on the driver’s side of the vehicle.

GMC Savana - fuse box - engine compartment
GMC Savana – fuse box – engine compartment
Fuse Usage
1 Radio Battery
2 Powertrain Control Module Battery
3 Left Rear Turn Lamp
4 Right Rear Turn Lamp
5 Backup Lamps Trailer Wiring
6 Ignition 0
7 Stop Lamp
8 Right Rear Defogger/Heated Mirror
9 Right Daytime Running Lamp/Turn Signal
10 Left Daytime Running Lamp/Turn Signal
11 Truck Body Control Module 4
12 Fuel Pump
13 Trailer
14 Flasher
15 Horn
16 Truck Body Control Module 3
17 Trailer Stop/Turn Signal
18 Truck Body Control Module 2
19 Truck Body Control Module
20 Remote Function Actuator
21 Engine 2
22 Ignition E
23 Engine 1
24 Truck Body Control Module Ignition 1
25 Spare
26 RPA/Inside Rearview Mirror
27 Crankcase
28 Brake Transmission Shift Interlock System
29 Auxiliary Power Outlets
30 Cigarette Lighter
31 Instrument Panel Cluster
32 Air Conditioning
33 Spare
34 Vent
35 Spare
36 Vehicle Back Up
37 Supplemental Inflatable Restraint System
38 Powertrain Control Module Ignition 1
39 Oxygen Sensor B
40 Oxygen Sensor A
41 Windshield Wipers
42 Right Headlamp — Low Beam
43 Left Headlamp — Low Beam
44 Left Headlamp — High Beam
45 Right Headlamp — High Beam
46 Truck Body Control Module-Accessory
47 Front Windshield Wiper
48 Anti-Lock Brakes
49 Ignition A
50 Trailer
51 Climate Control Blower
52 Ignition B
63 Spare
64 Spare

 

Relay Usage
53 Windshield Wiper
54 Air Conditioning
55 Spare
56 Headlamp — High Beam
57 Fuel Pump
58 Headlamp — Low Beam
59 Horn
61 Starter
62 Spare

 

Circuit Breaker Usage
60 Power Seat

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

GMC Savana (2001 – 2002) – fuse box diagram

GMC Savana (2001 – 2002) – fuse box diagram

Year of production: 2001, 2002

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side of the instrument panel above the hood release lever.

GMC Savana - fuse box - instrument panel
GMC Savana – fuse box – instrument panel
Position Name Circuits protected
1 STOP Stop/CHMSL, Stoplamps
2 HTD MIR Electric Heated Mirrors
3 CTSY Courtesy Lamps, Dome/RDG Lamps, Vanity Mirrors, Power Mirrors
4 GAUGES IP Cluster, DRL Relay, DRL Module, HDLP Switch, Keyless Entry Illumination, Low Coolant Module, CHIME Module, DRAB Module
5 HAZARD Hazard Lamps/CHIME Module
6 CRUISE Cruise Control
7 PWR AUX Auxiliary Power Outlet, DLC
8 CRANK
9 PARK LPS License Plate Lamp, Parking Lamps, Taillamps, Front Sidemarkers, Glove Box Ashtray
10 AIR BAGS Air Bags
11 WIPER Wiper Motor, Washer Pump
12 HTR-A/C A/C, A/C Blower, High Blower Relay, HTD Mirror
13 CIG LTR Cigarette Lighter
14 ILLUM IP Cluster, HVAC Controls, RR HVAC Controls, IP Switches, Radio Illumination, Door Switch Illumination
15 DRL DRL Relay
16 TURN B/U Front Turn, RR Turn, Back-up Lamps, BTSI Solenoid
17 RADIO-1 Radio (Ign, Accy), Upfitter Provision Relay
18 BRAKE 4WAL PCM, ABS, Cruise Control
19 RADIO-B Radio (Battery), Power Antenna
20 TRANS PRNDL, Automatic Transmission
21 SECURITY Passlock
22 RR DEFOG Rear Window Defog
23 Not Used
24 RR HVAC RR HVAC Controls, HIGH, MED, LOW Relays
A PWR ACCY Power Door Lock, Six-Way Power Seat, Keyless Entry Illumination Module
B PWR WDO Power Windows
Fuse amperage levels are imprinted on the fuse panel under the dash.

Engine Compartment Fuse Relay Center

The fuse block is on the driver’s side of the engine compartment at the rear.

GMC Savana - fuse box - engine compartment
GMC Savana – fuse box – engine compartment
Name Circuit protected
SPARE Spare Fuse
A.I.R. Air Pump
BLOWER Front Blower Motor
ABS Electronic Brake Control Module
IGN B Ignition Switch
IGN A Starter Relay, Ignition Switch
BATT Instrument Panel Fuse Block
LIGHTING Instrument Panel Fuse Block, Headlamp Switch
RH-HDLP Right-hand Headlamp (Export only)
LH-HDLP Left-hand Headlamp (Export only)
RH-HIBM Right-hand High-beam Headlamp (Export only)
LH-HIBM Left-hand High-beam Headlamp (Export only)
ETC Electronic Throttle Control
RR BLOWER Rear Auxiliary Blower Motor Relays
FUEL SOL Fuel Solenoid
ENG-I Heated O2 Sensors, Mass Air Flow Sensor, EGR Valve Solenoid, Evap Canister Purge Valve, Crankshaft Position Sensor, Secondary Air Injection Relay (Diesel), Water in Fuel Sensor (Diesel), Fuel Heater (Diesel), Glowplug Relay (Diesel), Wastegate Solenoid (Diesel)
ECM-I Ignition Coil, Camshaft Position Sensor, VCM, Fuel Injectors, Coil Driver
IGN-E Air Conditioning Clutch Relay
SPARE Spare Fuse
SPARE Spare Fuse
SPARE Spare Fuse
A/C Air Conditioning Clutch Relay
HORN Horn Relay, Underhood Lamp(s)
ECM-B Fuel Pump Relay, VCM, PCM, Fuel Pump and Engine Oil Pressure Switch
SPARE Spare Fuses
SPARE Spare Fuses
AUX A Upfitter Provisions
AUX B Upfitter Provisions
A/C RELAY Air Conditioning
HORN RELAY Horn
A.I.R. RELAY Air
FUEL PUMP RELAY Fuel Pump
STARTER RELAY Starter
ABS EXPORT RELAY ABS Export

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.