BUICK Enclave (2017) – fuse box diagram

Posted on 13 January 201725 October 2018 by admin

BUICK Enclave (2017) – fuse box diagram

Year of production: 2017

Engine compartment fuse block

Buick Enclave 2014 - fuse box - engine compartment — Buick Enclave 2014 – fuse box – engine compartment

The underhood fuse block is located in the engine compartment, on the passenger side of the vehicle. Lift the cover for access to the fuse/relay block.

Fuses	Usage
A/C CLUTCH	A/C Clutch
ABS MTR	ABS motor
AFS	Adaptive forward lighting system
AIRBAG	Airbag
AUX POWER	Auxiliary Power
AUX VAC PUMP	Auxiliary Vacuum Pump
AWD	AWD system
BATT 1	Battery 1
BATT 2	Battery 2
BATT 3	Battery 3
CIGAR LIGHTER	Cigar Lighter
ECM 1	Engine control module 1
ECM/ FPM IGN	Engine control module/Fuel pump control module ignition
EMISSION 1	Emission 1
EMISSION 2	Emission 2
EVEN COILS	Injector coils – even
FAN 1	Cooling Fan 1
FAN 2	Cooling Fan 1
*	Headlamp Washer (China)/Fog Lamps (GMC)
FPM	Fuel pump power module
FOG LAMP (GMC)	Fog Lamps (GMC)
HTD STR WHL	Heated steering wheel
HORN	Horn
HTD MIR	Heated exterior rearview mirror
HUMIDITY/MAF	Humidity sensor/ Mass airflow sensor
HVAC BLWR	HVAC blower
LT HI BEAM	Left High-Beam Headlamp
LT LO BEAM	Left Low-Beam Headlamp
LT PRK	Left Parking Lamp
LT TRLR STOP/TRN	Left trailer stoplamp/Turn signal lamp
ODD COILS	Injector coils – odd
PCM IGN	Powertrain Control Module Ignition
PWR L/GATE	Power Liftgate
PWR OUTLET	Power Outlet
RR APO	Rear Accessory Power Outlet
RR DEFOG	Rear Defogger
RR HVAC	Rear Climate Control System
RT HI BEAM	Right High-Beam Headlamp
RT LO BEAM	Right Low-Beam Headlamp
RT PRK	Right Parking Lamp
RT TRLR STOP/TRN	Trailer Right Stoplamp and Turn Signal
RVC SNSR	Regulated Voltage Control Sensor
S/ROOF/SUNSHADE	Sunroff
SERVICE	Service Repair
SPARE	—
Stop Lamps (China Only)	Stop Lamps (China Only)
STRTR	Starter
TCM	Transmission Control Module
TRANS	Transmission
TRLR BCK/UP	Trailer Back-up Lamps
TRLR BRK	Trailer Brake
TRLR PRK LAMP	Trailer Parking Lamps
TRLR PWR	Trailer Power
WPR/WSW	Windshield Wiper/Washer

Relays	Usage
A/C CMPRSR CLTCH	Air Conditioning Compressor Clutch
AUX VAC PUMP	Auxiliary Vacuum Pump
CRNK	Switched Power
FAN 1	Cooling Fan 1
FAN 2	Cooling Fan 2
FAN 3	Cooling Fan 3
FOG LAMP (GMC)	Fog Lamps (GMC)
HI BEAM	High-Beam Headlamps
HID/LO BEAM	High Intensity Discharge (HID) Low-Beam Headlamps
HORN	Horn
IGN	Ignition Main
LT TRLR STOP/TRN	Trailer Left Stoplamp and Turn Signal Lamp
PRK LAMP	Park Lamp
PWR/TRN	Powertrain
RR DEFOG	Rear Window Defogger
RT TRLR STOP/TRN	Trailer Right Stoplamp and Turn Signal Lamp
Stop Lamps (China Only)	Stop Lamps (China Only)
TRLR BCK/UP	Trailer Back-up Lamps
WPR	Windshield Wiper
WPR HI	Windshield Wiper High Speed

Instrument Panel Fuse Block

Buick Enclave (2014) - fuse box - instrument panel block — Buick Enclave (2014) – fuse box – instrument panel block

The instrument panel fuse block is located under the instrument panel
on the passenger side of the vehicle. Pull down on the cover to access the fuse block.

Fuses	Usage
#	GMC NON HID = Low Beam
*	GMC NON HID = High Shutter
**	Chevy = Fog Lamps
***	Buick China = Rear Fog Lamp
AIRBAG	Airbag
AMP	Amplifier
BCK UP/STOP	Back-up Lamp/Stoplamp
BCM	Body Control Module
CNSTR VENT	Canister Vent
CTSY	Courtesy
DRL LC	Door lock
DRL /LO BEAM	Daytime Running Lamps Relay/Low Beam Headlamps Relay
DSPLY	Display
FRT WSW	Front Windshield Washer
HTD/COOL SEAT	Heated/Cooling Seats
HVAC	Heating, Ventilation and Air Conditioning
INADV PWR INT LAMPS	Inadvertent Power/Interior Light Pipe Lamps
INFOTMNT/MSM	Infotainment/ Memory Seat Module
LT TRN SIG	Driver Side Turn Signal
OBS DET /URS	Rear park assist/ Side blind zone alert/Forward collision alert/ Universal remote system
PDM	Power Mirrors, Liftgate Release
PWR MODE	Power Mode
PWR MIR	Power Mirrors
RDO	Radio
REAR WPR	Rear Wiper
RT TRN SIG	Passenger Side Turn Signal
STR WHL ILLUM	Steering Wheel Illumination
USB CHRG	USB Charging

Relay side

Relays	Usage
LT/PWR/SEAT	Driver Side Power Seat Relay
RT/PWR/SEAT	Passenger Side Power Seat Relay
PWR/WNDW	Power Windows Relay
PWR/COLUMN	Power Steering Column Relay
L/GATE	Liftgate Relay
LCK	Power Lock Relay
REAR/WSW	Rear Window Washer Relay
UNLCK	Power Unlock Relay
DRL/LO BEAM	Daytime Running Lamps Relay/Low Beam Headlamps Relay
LT/UNLCK	Driver Side Unlock Relay
DRL/ LO BEAM	Daytime Running Lamps Relay (If Equipped)
REAR FOG LAMPS (CHINA)	Fog Lamps Relay (Chevy)
FRT/WSW	Front Windshield Washer Relay

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

Buick Cascada (2016 – 2017) – fuse box diagram

Posted on 13 January 201725 October 2018 by admin

Buick Cascada (2016 – 2017) – fuse box diagram

Year of production: 2016, 2017

Engine Compartment Fuse Block

Buick Cascada - fuse box - engine compartment — Buick Cascada – fuse box – engine compartment

Fuses	Usage
1	Engine control module
2	O2 sensor
3	Fuel injection/ Ignition system
4	Fuel injection/ Ignition system
5	—
6	Heated mirrors
7	Fan control
8	O2 sensor/ Powertrain cooling
9	Rear window sensor
10	Vehicle battery sensor
11	Trunk release
12	Adaptive headlamps/ Automatic headlamp leveling
13	ABS valves
14	—
15	Engine control module
16	Starter
17	Transmission control module
18	Rear window defogger
19	Front power window
20	Rear power window
21	Rear electrical center
22	—
23	—
24	Right high-beam headlamp
25	Left high-beam headlamp
26	Front fog lamps
27	—
28	—
29	Electric parking brake
30	ABS pump
31	—
32	Airbag
33	Adaptive forward lighting/Automatic headlamp leveling
34	Exhaust gas recirculation
35	Power windows/Rain sensor/Exterior mirror
36	Climate control
37	—
38	Vacuum pump
39	Fuel system control module
40	Front windshield washer
41	—
42	Engine cooling fan
43	Windshield wipers
44	—
45	Engine cooling fan
46	—
47	Horn
48	Engine cooling fan
49	Fuel pump
50	Headlamp leveling/ Adaptive forward lighting
51	—
52	—
53	Transmission control module/Engine control module
54	Vacuum pump/ Instrument panel cluster/HVAC

Instrument Panel Fuse Block

The instrument panel fuse block is on the driver side of the instrument panel.

Buick Cascada - fuse box - instrument panel — Buick Cascada – fuse box – instrument panel

Fuses	Usage
1	Displays
2	Body control module/Exterior lamps
3	Body control module/Exterior lamps
4	Infotainment system
5	Infotainment system/ Instrument
6	Power outlet
7	Power outlet
8	Body control module/Left low-beam headlamp
9	Body control module/Right low-beam headlamp
10	Body control module/Door locks
11	Interior fan
12	Driver power seat
13	Passenger power seat
14	Diagnostic connector
15	Airbag
16	Trunk lid relay
17	A/C system
18	Service diagnose
19	Body control module/Brake lamps/Reverse lamps/Interior lamps
20	—
21	Instrument panel
22	Ignition
23	Body control module
24	Body control module
25	—
26	Trunk power outlet accessory

Rear Compartment Fuse Block

The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.

Buick Cascada - fuse box - rear compartment — Buick Cascada – fuse box – rear compartment

Fuses	Usage
1	Convertible control module/Right power rail
2	—
3	Rear parking assist
4	Selective catalytic reduction system
5	—
6	—
7	Power seats
8	Convertible control module
9	Selective catalytic reduction system
10	Selective catalytic reduction system
11	Tire pressure monitor/Rear vision camera
12	Convertible control module/Reverse lamps
13	—
14	Rear seat electrical folding
15	—
16	Rear vision camera/ Convertible control module
17	—
18	—
19	Heated steering whee
20	—
21	Heated seats
22	—
23	Convertible control module/Left power rail
24	Selective catalytic reduction system
25	—
26	Non-logistic mode
27	Passive entry/ Passive start
28	—
29	Hydraulic unit
30	—
31	—
32	—

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

Geo Tracker (1996 – 1997) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

Geo Tracker (1996 – 1997) – fuse box diagram

Year of production: 1996, 1997

Instrument Panel Fuse Block

Geo Tracker - fuse box - instrument panel — Geo Tracker – fuse box – instrument panel

Item	Usage
1	Empty
2	Empty
3	Dome Lamp, Sidemarker Lamps, Parking Lamps, License Plate Lamp, Instrument Panel Illumination
4	Stoplamps, Horn
5	Hazard Lamps
6	Door Lock (Option)
7	Lighter, Radio
8	Ignition System, Warning and Indicator Lights, Gages, Four-wheel Drive System (Option
9	Turn Signal Flasher, Back-up Lamps
10	Wiper/Washer
11	Rear Defogger
12	Heater
13	Empty
14	Empty

Main Fuse Block

Name	Usage
BATT	All Electrical Load
ABS	Anti-Lock Brake System
IG	Ignition, Lighter, Radio, Wiperwasher, Rear Defogger, Turn Signals, Backup Lamps, Heater
LAMP	Taillamps, Dome Lamps, Stop Lamps, Horn, Hazard Lam
H/L, R	Right Side Headlamp
H/L, L	Left Side Headlamp
FI	Fuel Injection System
A/C	Air Conditioning

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

Geo Tracker (1993 – 1995) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

Geo Tracker (1993 – 1995) – fuse box diagram

Year of production: 1993,1994, 1995

Main Fuse Block

Item	Ampere rating [A]	Usage
1	60	Generator to Battery Circui
2	50	Circuits Only Active When Ignition Switch is in ACC, ON or START
3	40	Circuits Always Active
4	30	Circuits Always Active

Instrument Panel Fuse Block

Item	Ampere rating [A]	Usage
1	15	Right Headligh
2	15	Left Headlight; High Beam Indicator Light
3	15	Taillights; Interior Light; Sidemarker Lights; Instrument Cluster Lights
4	15	Stop Lights; Horn
5	15	Hazard Lights
6	20	Door Lock (Option)
7	20	Lighter; Radio
8	15	Ignition System; Warning and Indicator Lights
9	15	Turn Signal Lights; Back-up Lights
10	15	Wiper/washer
11	15	Rear Defogger
12	25	Heater
13	20	Rear Wheel Anti-Lock Main Relay
14	15	Electronic Fuel Injection Main Relay

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

Geo Prizm (1990 – 1995) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

Geo Prizm (1990 – 1995) – fuse box diagram

Year of production: 1990, 1991, 1992, 1993, 1994, 1995

Driver’s Side Instrument Panel Fuse Block

Geo-prizm-fuse-box-instrument-panel-driver-side-1994 — Geo Prizm – fuse box – instrument panel driver’s side

Item	Ampere rating [A]	Usage
1	—	Not Used
2	10	Ignition
3	15	stop
4	—	Not Used/Spare
5	20	Cigarette Lighter and Radio
6	10	ECU-B
7	7,5	Turn Signal
8	10	Gage
9	15	Taillamp
10	7,5	Defogger – I/UP
11	15	ECU-IG
12	20	Wiper
A	30	Power
B	30	Defroster

Engine Compartment Fuse Block

Geo Prizm - fuse box - engine compartment — Geo Prizm – fuse box – engine compartment

Item	Ampere rating [A]	Usage
1	15	Electronic Fuel Injection F/HTR
2	7,5	Alternator-S
3	30	Fan
4	20	Dome Lamp
5	20	Hazard Warning Flashers; Horn
6	7,5	Fan – I/UP
7	15	Left Head
8	15	Right Head
9	—	Not Used/Spare
10	—	Not Used/Spare
11	—	Not Used/Spare
12	30	AM2
a	50	Anti-Lock Brake System (ABS)
b	100	Alternator
c	40	AM1
A		Electronic Fuel Injection F/HTR Relay
B		Headlamp Relay
C		Engine Main Relay
D		Fan Relay #I
E		Horn Relay

Engine Compartment Relay Block

Geo Prizm - fuse box - engine compartment relay box — Geo Prizm – fuse box – engine compartment relay box

Item	Ampere rating [A]	Usage
1	30	CDS
2		Air Conditioner MG Relay
3		Air Conditioner Fan Relay #3
4		Air Conditioner Fan Relay #2

Passenger’s Side Kick Panel

Geo Prizm - fuse box - passenger side kick panel — Geo Prizm – fuse box – passenger side kick panel

Item	Ampere rating [A]	Usage
1	15	Air Conditioner
2	40	Heater

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

Geo Prizm (1996 – 1997) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

Geo Prizm (1996 – 1997) – fuse box diagram

Year of production: 1996, 1997

Driver’s Side Instrument Panel Fuse Block

Your fuse block is beneath the instrument panel on the driver’s ’side near the door.

Geo Prizm - fuse box - instrument panel (driver's side) — Geo Prizm – fuse box – instrument panel (driver’s side)

Item	Name	Usage
1	—	Not Used
2	IGN	Multiport Fuel Injection System, Sequential Multiport Fuel Injection System, Engine Cooling Fans, Discharge Warning Light, Airbs
3	STOP	Stoplamps, High-Mounted Stoplamp, Cruise Control System, Automatic Transmission Shift Lock System, Anti-Lock Brake System
4	—	Not Used
5	CIG and RADIO	Cigarette Lighter, Digital Clock Display, Air Conditioning System, Radio, Cassette Tape Player, Power Rearview Mirrors, Automatic Transmission Shift Lock System, Theft- Deterrent System, Airbags
6	ECU-B	Daytime Running Lamp System, Cruise Control System
7	TURN	Turn Signal Lamps, Emergency Flashers
8	GAGE	Gages and Meters, Service Reminder Indicators (except discharge and open door warning lights), Back-up Lamps, Air Conditioning System, Daytime Running Lamp System, Electronically Controlled Automatic Transmission System
9	TAIL	Taillamps, Parking Lamps, License Plate Lamps, Instrument Panel Lights, -Daytime Running Lamp System
10	DEF-I/UP	Multiport Fuel Injection System, Sequential Multiport Fuel Injection System
11	ECU-IG	Starting System, Anti-Lock Brake System, Automatic Transmission Shift Lock System
12	WIPER	Windshield Wipers and Washer, Rear Window Wiper and Washer
A	OBD	On-Board Diagnosis System
B	P/W	Power Windows, Power Door Lock System, Electric Sun Roof
C	DEFOG	Rear Window Defogger

Engine Compartment Fuse Block

Item	Name	Usage
1	DOME	Interior Lamp, Luggage Compartment Lamp, Trunk Lamp, Clock, Open Door Warning Lamp, Radio, Cassette Tape Player, Anti-Lock Brake Warning System
2	HAZ-HORN	Emergency Flashers, Horns
3	AM 2	Starting System
4	FAN	Electric Cooling Fan
5	SPARE	Spare Fuse
6	SPARE	Spare Fuse
7	SPARE	Spare Fuse
8	ALT-S	Charging System
9	DRL	Daytime Running Lamp System
10	EFI	Multiport Fuel Injection System, Sequential Multiport Fuel Injection System, Electronically Controlled Automatic Transmission System
a	AM 1	Starting System, Airbags
b	ALT	Taillamps
c	ABS	Anti-Lock Brake System
A	HORN
B	FAN NO. 1
C	ENGINE MAIN
D	HEAD
E	EFI

Engine Compartment Fuse/Relay Block

Item	Name	Usage
1	CDS
2	AC MG
3	AC FAN NO. 3	Air Conditioner Fan Relay #3
4	AC FAN NO. 2	Air Conditioner Fan Relay #2

Engine Compartment Fuse Block (Passenger’s Side

Geo Prizm - fuse box - engine compartment (passenger's side) — Geo Prizm – fuse box – engine compartment (passenger’s side)

Item	Name	Usage
1	DRL NO. 2
2	HEAD (LH-UPR)	Left-Hand Headlamp (high beam)
3	HEAD (LH-LWR)	Left-Hand Headlamp (low beam)
4	HEAD (RH-UPR)	Right-Hand Headlamp (high beam)
5	HEAD (RH-LWR)	Right-Hand Headlamp (low beam)

Passenger’s Side Kick Panel

Item	Name	Usage
1	A/C	Air Conditioning System
2	40	Air Conditioning System

There is one fuse located underneath the carpet on the passenger’s side of the vehicle.

Geo Prizm - fuse box - passenger's side (kick panel) box 2 — Geo Prizm – fuse box – passenger’s side (kick panel) box 2

Item	Name	Usage
1	ABS	Anti-Lock Brake System

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

GMC Sierra mk1 (1993 – 1994) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

GMC Sierra mk1 (1993 – 1994) – fuse box diagram

Year of production: 1993, 1994

Fuse Block

GMC Sierra mk1 - fuse box diagram — GMC Sierra mk1 – fuse box diagram

Name	Circuits protected	Fuse	Circuit breaker
Gauges	Cruise Control, 4 WD Display Illum. Rear Window Defogger Timer, Aux. Batt. Relay Feed, Safety Belt Buzzer Timer, Cluster Ign. Feed	20
Turn-B/U	Back-up Lamps, Turn Signals	15
EMC/Ign	T.C.C., Air Diverter, E.S.C., E.G.R., E.C.M. Ign., R.W.A.L. Brake Switch	10
Ign. A	Throttle Body Injectors	10
Brake	R.W.A.L., Cluster-Speedo	15
AC/Htr	H.V.A.C. 4WD, Aux. Batt. Relay	25
Ctsy	Dome Lamp, Cargo Lamp, Ctsy, and Glove Box Lps. (TR-R), Radio (Memory-Clock) Horn Relay, Horn Feed, Cigar Lighter, Park	20
Park LP	Lamps C49 SW Illum., Headlamp “On” Warning,	20
P. Lps	Radio Illum., H.V.A.C. Illum. Haz. Flasher, Seat Belt Buzzer, Stop	5
Stop/Haz	Lmps., R.W.A.L. Memory	15
Wiper	Windshield Wiper, Washer	25
Radio	Radio Feed	10
Acc/Ign.	Pwr. Windows		30
Acc/Batt.	Door Locks, Rear Window Defogger		30
Crank	Crank, Discreet	5
4WD	Four Wheel Drive	25
DRL	Daytime Running Lights	15

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

GMC Sierra mk1 (1995) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

GMC Sierra mk1 (1995) – fuse box diagram

Year of production: 1995

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

Position	Name	Usage
1	STOP/HAZ	Stop/TCC Switch, Buzzer, CHMSL, Hazard Lamps, Stoplamps
2	T CASE	Transfer Case
3	CTSY	Courtesy Lamps, Cargo Lamp, Glove Box Lamp, Dome/Reading Lamps, Vanity Mirrors, Power Mirrors
4	GAGES	IP Cluster, DRL Relay, HDLP Switch, Keyless Entry, Low Coolant Module
5	RR HVAC	RR HVAC Control
6	CRUISE	Cruise Control
7	AUX PWR	Aux Power Outlet
8	CRANK	Diesel Fuel Pump, DERM, ECM
9	PARK LPS	Lic Lamp, Park Lamp, Tail Lamp, Roof Marker Lamp, Tail Gate Lamps, Front Side Markers, Fog Lamp Relay, Door Switch Illum, Fender Lamps
10	AIR BAG	Air Bag System
11	WIPER	Wiper Motor, Washer Pump
12	HTR-A/C	A/C, A/C Blower, High Blower Relay
13	CIG LTR	Power Amp, Cigarette Lighter, Door Lock Relay, Power Lumbar Seat
14	ILLUM	4WD, Indicator, LP Cluster, HVAC Controls, RR HVAC Controls, IP Switches, Radio Illumination
15	DRL-FOG	DRL Relay, Fog Lamp Relay
16	TURN-B/U	Frt Turn, RR Turn, B/U Lps
17	RADIO	Radio (Ign)
18	BRAKE	DRAC, 4WAL PCM, ABS, Cruise
19	RADIO BATT	Radio (Batt)
20	TRANS	PRNDL, Auto Transmission, Speedo, Check Gages Tell Tale
21	—	Not Used
22	—	Not Used
23	—	Not Used
24	4WD	Frt Axle, 4WD Indicator Lamp
A	PWR ACCY	Pwr Door Lock, 6-Way Pwr Seat, Keyless Entry Module
B	PWR WDOS	Power Windows

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

GMC Sierra mk1 (1996 – 1998) – fuse box diagram

Posted on 12 January 201725 October 2018 by admin

GMC Sierra mk1 (1999 – 1998) – fuse box diagram

Year of production: 1996, 1997, 1998

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.

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	Air Bag System
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	Air Bag System
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	Variable Effort 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 Yukon (2017 – 2020) – fuse box diagram

Posted on 12 January 201717 June 2024 by admin

GMC Yukon (2017 – 2020) – fuse box diagram

Year of production: 2017, 2018, 2019, 2020

Engine Compartment Fuse Block

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

GMC Yukon - fuse box - engine compartment — GMC Yukon – fuse box diagram – engine compartment

Item	Usage
1	2017-2019: Electric Running Boards. 2020: Power assist steps
2	ABS Pump
3	Interior BEC LT1
4	Passenger motorized safety belt
5	Suspension Leveling Compressor
6	4WD Transfer Case Electronic Control
7	—
8	—
9	2017: Not Used. 2018-2020: Fuel pump relay
10	Electric parking brake
11	—
12	—
13	Interior BEC LT2
14	Rear BEC 1
15	—
16	—
17	Driver motorized safety belt
18	—
19	—
20	—
21	2017: ALC Exhaust Solenoid. 2018-2020: Automatic headlamp leveling/ Exhaust solenoid
22	2018-2020: Fuel pump.
23	Integrated Chassis Control Module
24	Real Time Dampening
25	Fuel Pump Power Module
26	2017-2018: Not Used/Battery Regulated Voltage Control. 2019-2020: Active Hydraulic Assist/ Battery regulated voltage control
27	—
28	Upffiter 2
29	Upfitter 2 Relay
30	Wiper
31	TIM (Trailer interface module)
32	—
33	—
34	Reverse lamps
35	ABS Valve
36	Trailer Brakes
37	Upfitter 3 Relay
38	—
39	Right trailer stoplamp/Turn signal lamp
40	Left trailer stoplamp/turn signal lamp
41	Trailer parking lamps
42	Right Parking Lamps
43	Left Parking Lamps
44	Upfitter 3
45	Automatic Level Control Run/Crank
46	—
47	Upfitter 4
48	Upfitter 4 Relay
49	Reverse Lamps
50	—
51	Parking Lamp Relay
52	—
53	—
54	—
55	—
56	—
57	—
58	—
59	Euro Trailer
60	A/C Control
61	—
62	—
63	Upfitter 1
64	—
65	—
66	—
67	Trailer Battery
68	2017: Not Used. 2018-2020: Secondary fuel pump
69	RC Upfitter 3 and 4
70	VBAT Upfitter 3 and 4
71	—
72	Upfitter 1 Relay
73	—
74	Engine Control Module / Ignition
75	Miscellaneous / Ignition / Spare
76	Transmission Ignition
77	RC Upfitter 1 and 2
78	VBAT Upfitter 1 and 2
79	—
80	—
81	—
82	—
83	Euro Trailer RC
84	Run/Crank Relay
85	—
86	—
87	2017-2018: Engine. 2019-2020: MAF/IAT/Humidity/TIAP sensor
88	Injector A – Odd
89	Injector B – Even
90	O2 Sensor B
91	Throttle Control
92	Engine Control Module Relay
93	Horn
94	Fog Lamps
95	High-Beam Headlamps
96	—
97	—
98	—
99	—
100	O2 Sensor A
101	Engine Control Module
102	Engine Control Module/ Transmission Control Module
103	Auxiliary Interior Heater
104	Starter
105	—
106	—
107	Aeroshutter
108	—
109	Police Upfitter
110	—
111	—
112	Starter Relay
113	—
114	Front Windshield Washer
115	Rear Window Washer
116	Left cooling fan
117	Fuel pump prime
118	—
119	—
120	Fuel pump prime
121	Right HID Headlamp
122	Left HID Headlamp
123	Right cooling fan

Instrument Panel Fuse Block (Left)

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

GMC Yukon - fuse box - instrument panel (left) — GMC Yukon – fuse box diagram – instrument panel (left)

№	Usage
1	—
2	—
3	—
4	Accessory Power Outlet 1
5	2017: Retained Accessory Power/Accessory. 2018-2020: Accessory power outlet from retained accessory power
6	Accessory power outlet from battery power
7	Universal Garage Door Opener/lnside RearView Mirror
8	SEO Retained Accessory Powe
9	—
10	Body Control Module 3
11	Body Control Module 5
12	Steering Wheel Controls Backlighting
13	—
14	—
15	—
16	Discrete Logic Ignition Sensor
17	2017-2018: Video processing module. 2019-2020: Video processing module/Virtual key module
18	Mirror Window Module
19	Body Control Module 1
20	Front Bolster (if equipped)
21	—
22	—
23	—
24	2017-2018: HVAC/Ignition. 2019-2020: HVAC ignition/AUX HVAC ignition
25	Instrument Cluster Ignition / Sensing Diagnostic Module / Ignition
26	2017-2018: Tilt Column/SEO, Tilt Column Lock 1/SEO. 2019-2020: Tilt column/Tilt column lock 1/SEO 1/SEO 2
27	Data Link Connector/ Driver Seat Module
28	2017-2018: Passive entry/Passive start/HVAC battery. 2019-2020: Passive locking, Passive theft-deterrent/HVAC battery
29	Content theft deterrent
30	—
31	—
32	—
33	2017: SEO/Automatic Level Control 2018-2020: SEO/Automatic level control/Left heated seat
34	Park Enable Electric Adjustable Pedal (it equipped)
35	—
36	Miscellaneous/Run crank
37	Heated Steering Wheel
38	Steering Column Lock 2 (if equipped)
39	Instrument Cluster Battery
40	—
41	—
42	Euro Trailer (if equipped)
43	Left Doors
44	Driver Power Seat
45	—
46	Right heated, cooled, or ventilated seat (if equipped)
47	Left heated, cooled, or ventilated seat (if equipped)
48	—
49	—
50	Accessory Power Outlet 2 relay
51	—
52	Retained accessory power relay
53	Run/Crank Relay
54	—
55	—
56	—

Instrument Panel Fuse Block (Right)

The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.

GMC Yukon - fuse box - instrument panel (right) — GMC Yukon – fuse box diagram – instrument panel (right)

№	Usage
1	—
2	—
3	—
4	Accessory Power Outlet 4
5	—
6	—
7	—
8	Glove Box
9	—
10	—
11	—
12	Steering Wheel Controls
13	Body Control Module 8
14	—
15	—
16	—
17	—
18	—
19	Body Control Module 4
20	Rear Seat Entertainment
21	2017-2019: Sunroof. 2020: Sunroof/beacon upffiter
22	—
23	—
24	—
25	—
26	Infotainment/Airbag
27	-/RF window switch/ Rain sensor
28	Obstacle Detection/USB
29	Radio
30	—
31	—
32	—
33	—
34	—
35	—
36	Special equipment option B2
37	Special equipment option
38	Body control module 2
39	DC to AC inverter
40	—
41	—
42	—
43	—
44	Right Door Window Motor
45	Front Blower
46	Body Control Module 6
47	Body Control Module 7
46	Amplifier
49	Right Front Seat
50	Accessory Power Outlet 3
51	—
52	Retained accessory power relay
53	—
54	—
55	—
56	—

Rear Compartment Fuse Block

The rear compartment fuse block is behind the access panel on the left side of the compartment

GMC Yukon - fuse box - rear compartment — GMC Yukon – fuse box diagram – rear compartment

Items	Usage
1	Rear defogger relay
2	Left heated second row seat
3	Right heated second row seat
4	Heated Mirrors
5	Liftgate
6	Glass Breakage
7	Liftglass
8	Liftgate Module Logic
9	Rear Wiper
10	Rear HVAC blower
11	Second Row Seat
12	2017: Second row seat. 2018-2020: Liftgate module
13	2017: Liftgate module. 2018-2020: Third row seat
14	Rear accessory power outlet
15	Rear defogger
16	Liftgate relay
17	Liftglass relay
18	Rear fog lamp relay (if equipped)
19	Rear fog lamp (if equipped)
20	Heated mirror relay

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