Chevrolet Astro (2004) – fuse box diagram

Posted on 23 December 201710 July 2019 by admin

Chevrolet Astro (2004) – fuse box diagram

Year of production: 2004

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Chevrolet Astro - fuse box - instrument panel — Chevrolet Astro – fuse box – instrument panel

Fuses/Circuit Breaker	Usage
1	Stop/Turn/Hazard Lamps, CHMSL, ABS
2	Radio ACCY, RR Seat Audio Controls
3	Courtesy Lamps, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps
4	DRL Relay, Instrument Panel Cluster
5	Rear Defogger
6	Cruise Module, TBC Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror
7	Power Outlets, DLC, Subwoofer Amplifier
8	Crank Circuit Fuse, Park/Neutral Switch, Starter Enable Relay
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination, TBC Module
10	Air Bag System
11	—
12	Blower Motor, Rear Air Conditioning Relay Coil, Front Cont. Temp. Door Motor, HI Blower Relay, Defogger Timer Coil
13	Cigarette Lighter, Door Lock Switches, Dutch Door Release Module
14	Cluster Illumination, Climate Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, Overhead Console, Truck Body Control Illumination
15	TBC Module, Headlamp Relay
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, Brake Transmission Shift Interlock Solenoid
17	Front Wipers, Front Washer Pump
18	VCM-Ign 3, VCM-Brake, Cruise Stepper Motor Signal, ATC Module
19	Instrument Panel Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDL/Odometer, Shift A and Shift B Solenoids, 3–2 Downshift Solenoid, Instrument Panel Cluster, VCM Module
21	Pwr Adj Mirrors
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock Relay, 6-Way Power Seats
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Chevrolet Astro - fuse box - under hood panel — Chevrolet Astro – fuse box – under hood panel

Feed	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays	Usage
A/C Relay (Rear Heat and A/C)	Rear Heat and Air Conditioning
Upfitter ACCY Relay	Upfitter Accessory
Starter Enable Relay	Starter
A/C Enable Relay	Air Conditioning
Headlamps Relay	Headlamps
Fuel Pump Relay	Fuel Pump

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Spare	—
Spare	—
ECM-1B	Fuel Pump Relay and Motor, VCM, Oil Pressure Switch/Sender
HORN	Horn Relay and Horn
A/C COMP	Air Conditioning Enable Relay and Compressor
RR HTR/AC	Rear Heater and Air Conditioning
ATC	Active Transfer Case-L Van
FRT HVAC	Front Heater and A/C
ENG-I	Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid
IGN-E	Air Conditioning Enable Relay Coil
ECM-I	Fuel Injectors 1–6, Crankshaft Position Sensot, VCM, Coil Driver Module (EST), Ignition Coil
Blank	—
Blank	—
DIODE-1	Air Conditioning
Blank	—
Blank	—
Blank	—
LIGHTING	Courtesy Fuse, Power Adjust Mirrors Fuse, Truck Body Control Battery Fuse
BATT	Power Accessory Circuit Breaker, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Electronic Brake Control Module
Blank	—
RAP	Radio Accessory, Power Windows
HTD MIR/RR DEFOG	Rear Window Defogger,Climate Control Head

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

Chevrolet Astro (2001 – 2002) – fuse box diagram

Posted on 23 December 201710 July 2019 by admin

Chevrolet Astro (2001 – 2002) – fuse box diagram

Year of production: 2001, 2002

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuses/Circuit Breaker	Usage
1	Stop/Turn/Hazard Lamps, CHMSL, ABS
2	Radio ACCY, RR Seat Audio Controls
3	Courtesy Lamps, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps
4	DRL Relay, Instrument Panel Cluster
5	Rear Defogger
6	Cruise Module, TBC Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror
7	Power Outlets, DLC, Subwoofer Amplifier
8	Crank Circuit Fuse, Park/Neutral Switch, Starter Enable Relay
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination, TBC Module
10	Air Bag System
11	—
12	L, M1, M2 Blower Motor, Rear A/C Relay Coil, Front Cont. Temp. Door Motor, HI Blower Relay, Defogger Timer Coil
13	Cigarette Lighter, Door Lock Switches, Dutch Door Release Module
14	Cluster Illum, HVAC Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, O/H Console, TBC Illumination
15	TBC Module, Headlamp Relay
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, BTSI Solenoid
17	Front Wipers, Front Washer Pump
18	VCM-Ign 3, VCM-Brake, Cruise Stepper Motor Signal, ATC Module
19	Instrument Panel Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDL/ Odometer, TCC Enable and PWM Solenoid, Shift A and Shift B Solenoids, 3-2 Downshift Solenoid, Instrument Panel Cluster, VCM Module
21	Pwr Adj Mirrors
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock Relay, 6-Way Power Seats
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Feed	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays	Usage
A/C Relay (Rear Heat and A/C)	Rear Heat and Air Conditioning
Upfitter ACCY Relay	Upfitter Accessory
Starter Enable Relay	Starter
A/C Enable Relay	Air Conditioning
Headlamps Relay	Headlamps
Fuel Pump Relay	Fuel Pump

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Fuse Puller*
Spare	—
Spare	—
ECM-1B	Fuel Pump Relay and Motor, VCM, Oil Pressure Switch/Sender
HORN	Horn Relay and Horn
A/C COMP	A/C Enable Relay and Compressor
RR HTR/AC	Rear Heater and A/C
ATC	Active Transfer Case-L Van
FRT HVAC	Front Heater and A/C
ENG-I	Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid
IGN-E	A/C Enable Relay Coil
ECM-I	Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Coil Driver Module (EST), Ignition Coil
Blank	—
RH HDLMP	Right Headlamp
LH Headlamp	Left Headlamp
Blank	—
Blank	—
DIODE-A/C Coil	A/C
Blank	—
Blank	—
Blank	—
LIGHTING	Courtesy Fuse, Pwr. Adj. Mirrors Fuse, TBC-Battery Fuse
BATT	Power ACCY CB, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Electronic Brake Control Module
Blank	—
RAP	Radio Accy, Power Windows
HTD MIR/RR DEFOG	Rear Window Defogger, HVAC Control Head
*A fuse puller is included in the underhood electrical center. You will also find spare fuses.

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

Chevrolet Astro (2000) – fuse box diagram

Posted on 23 December 201710 July 2019 by admin

Chevrolet Astro (2000) – fuse box diagram

Year of production: 2000

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuses/Circuit Breaker	Usage
1	Stop/Turn/Hazard Lamps, CHMSL, ABS
2	Radio ACCY, RR Seat Audio Controls
3	Courtesy Lamps, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps
4	DRL Relay, Instrument Panel Cluster
5	Rear Defogger
6	Cruise Module, TBC Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror
7	Power Outlets, DLC, Subwoofer Amplifier
8	Crank Circuit Fuse, Park/Neutral Switch, Starter Enable Relay
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination, TBC Module
10	Air Bag System
11	—
12	L, M1, M2 Blower Motor, Rear A/C Relay Coil, Front Cont. Temp. Door Motor, HI Blower Relay, Defogger Timer Coil
13	Cigarette Lighter, Door Lock Switches, Dutch Door Release Module
14	Cluster Illum, HVAC Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, O/H Console, TBC Illumination
15	TBC Module, Headlamp Relay
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, BTSI Solenoid
17	Front Wipers, Front Washer Pump
18	VCM-Ign 3, VCM-Brake, Cruise Stepper Motor Signal, ATC Module
19	Instrument Panel Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDL/ Odometer, TCC Enable and PWM Solenoid, Shift A and Shift B Solenoids, 3-2 Downshift Solenoid, Instrument Panel Cluster, VCM Module
21	Pwr Adj Mirrors
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock Relay, 6-Way Power Seats
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Feed	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays

A/C Relay (Rear Heat and A/C)

Upfitter ACCY Relay

Starter Enable Relay

A/C Enable Relay

Headlamps Relay

Fuel Pump Relay

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Fuse Puller*
Spare	—
Spare	—
ECM-1B	Fuel Pump Relay and Motor, VCM, Oil Pressure
HORN	Horn Relay and Horn
A/C COMP	A/C Enable Relay and Compressor
ATC	Active Transfer Case
ENG-I	Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid
IGN-E	A/C Enable Relay Coil
ECM-I	Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Coil Driver Module (EST), Ignition Coil
RH HDLMP	Right Headlamp
LH Headlamp	Left Headlamp
DIODE-A/C Coil	A/C
LIGHTING	Courtesy Fuse, Pwr. Adj. Mirrors Fuse, TBC-Battery Fuse
BATT	Power ACCY CB, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Electronic Brake Control Module
RAP	Radio Accy, Power Windows
HTD MIR/RR DEFOG	Rear Window Defogger, HVAC Control Head
*A fuse puller is included in the underhood electrical center. You will also find spare fuses.

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

Chevrolet Astro (1999) – fuse box diagram

Posted on 23 December 201710 July 2019 by admin

Chevrolet Astro (1999) – fuse box diagram

Year of production: 1999

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuses/Circuit Breaker	Usage
1	Stop/Turn/Hazard Lamps, CHMSL, Chime Module
2	Heated Mirror (Not Used)
3	Courtesy Lamps, Power Outside Mirrors, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps
4	DRL Relay, DRL Module, Chime Headlamp Switch, Keyless Entry, Cluster, Overhead Console, Interior Lamps Module
5	Rear Defogger
6	Cruise Module, Cruise Control Switch, Electrochromic Mirror
7	Power Outlets, DLC, Subwoofer Amplifier
8	Starter Enable Relay
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination
10	Air Bag System
11	Wiper Motor, Washer Pump, Upfitter Relay Coil
12	L, M1, M2 Blower Motor, Rear A/C Relay Coil, Front Cont. Temp. Door Motor, HI Blower Relay, Defogger Timer Coil
13	Cigarette Lighter, Door Lock Switches, Dutch Door Release Module
14	Cluster Illum, HVAC Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, O/H Consol
15	DRL Lamps
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-up Lamps, BTSI Solenoid
17	2000 Series (Main Feed), Rear Seat Audio Controls
18	VCM-Ign 3, VCM-Brake, 4WAL, Cruise Stepper Motor Signal
19	Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDL/ Odometer, TCC Enable and PWM Solenoid, Shift A and Shift B Solenoids, 3-2 Downshift Solenoid
21	Security
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock Relay, 6-way Power Seat, Remote Control Door Lock Receiver, Dutch Door Module, Dutch Door Release
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Feed	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays

A/C Relay (Rear Heat and A/C)

Upfitter ACCY Relay

Starter Enable Relay

A/C Enable Relay

Fuel Pump Relay

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Spare	—
Spare	—
ECM-1B	Fuel Pump Relay and Motor, VCM oil Pressure Switch/Sender
HORN	Horn Relay and Horn
A/C COMP	A/C Enable Relay and Compressor
ATC	Active Transfer Case-L Van
ENG-I	Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Purge Solenoid, Linear EGR Valve Solenoid, VCM EGR HI
IGN-E	A/C Enable Relay Coil
ECM-I	Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Coil Driver Module (EST)
LIGHTING	Park Lamps Fuse, DRL Fuse, Headlamp and Panel Dimmer Switch
BATT	Steering/Security Fuse, Courtesy Fuse, ACSY CB, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Electronic Brake Control Module
A/C	Blower Motor Resistor, Blower Relay
RR HTR/AC	Auxiliary Heater, A/C Relay
HTD MIR/RR DEFOG	Rear Window Defogger
*A fuse puller is included in the underhood electrical center. You will also find spare fuses.

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

Chevrolet Astro (1998) – fuse box diagram

Posted on 23 December 201710 July 2019 by admin

Chevrolet Astro (1998) – fuse box diagram

Year of production: 1998

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuses/Circuit Breaker	Usage
1	Stop/Tum/Hazard Lamps, CHMSL, Chime Module
2	—
3	Courtesy Lamps, Power Outside Mirrors, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps
4	DRL Relay, DRL Module, Chime Headlamp Switch, Keyless Entry, Cluster, Overhead Console, EVO Module, Interior Lamps Module
5	—
6	Cruise Module, Cruise Control Switch
7	Power Outlets, DLC, Subwoofer Amplifier
8	Starter Enable Relay
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination
10	Air Bag System
11	Wiper Motor, Washer Pump, Upfitter Relay Coil
12	L, MI, M2 Blower Motor, Rear A/C Relay Coil, Front Cont. Temp. Door Motor, Hi Blower Relay, Defogger Timer Coil
13	Cigar Lighter, Door Lock Switches, Dutch Door Release Module
14	Cluster Illum, HVAC Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, O/H Console
15	DRL Diode
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-up Lamps, BTSI Solenoid
17	Radio: ATC (Standby), 2000 Series (Main Feed), Rear Seat Audio Controls
18	VCM-Ign 3, VCM- Brake, 4WAL, Cruise Stepper Motor
19	Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDLI Odometer, TCC Enable and PWM Solenoids, Shift A and Shift B Solenoids, 3-2 Downshift Solenoids
21	—
22	Security/Steering Module
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock Relay, 6-way Power Seat, Remote Control Door Lock Receiver, Dutch Door Module, Dutch Door Release
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Feef	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays

A/C Relay (Rear Heat and A/C)

Upfitter Accessory Relay

Starter Enable Relay

A/C Enable Relay

Export Only Relay

Fuel Pump Relay

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud, Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Fuse Puller*
Spare	—
Spare	—
ECM-B	Fuel Pump Relay, VCM, Oil Pressure Switch/Sender
HORN	Horn Relay and Horn
A/C COMP	A/C Enable Relay and Compressor
RR DEFOG	Heater-A/C Control Selector Switch, Rear Window Defogger
ENG-I	Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission CanistePr urge Solenoid, Linear EGR Valve Solenoid, VCM EGR HI
IGN-E	A/C Enable Relay Coil
ECM-I	Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Coil Driver Module (EST)
LIGHTING	Park Lamps Fuse, DRL Fuse, Headlamp and Panel Dimmer Switch
BATT	SteeringBecurity Fuse, Courtesy Fuse, ACSY CB, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigar Lighter Fuse, Radio Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Electronic Brake Control Module
A/C	Blower Motor Resistor, Blower Relay
RR HTR/AC	Auxiliary Heater A/C Relay
Spare	Not Used
* A fuse puller is included in the underhood electrical center. You will also find spare fuses.

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

Chevrolet Astro (1997) – fuse box diagram

Posted on 23 December 201710 July 2019 by admin

Chevrolet Astro (1997) – fuse box diagram

Year of production: 1997

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuses/Circuit Breaker	Usage
1	Stop/Tum/Hazard Lamps, CHMSL, Chime Module
2	—
3	Courtesy Lamps, Power Outside Mirrors, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps
4	DRL Relay, DRL Module, Chime Headlamp Switch, Keyless Entry, Cluster, Overhead Console, EVO Module, Interior Lamps Module
5	—
6	Cruise Module, Cruise Activator Switch
7	Power Outlets, DLC, Subwoofer Amplifier
8	Starter Enable Relay
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination
10	Air Bag System
11	Wiper Motor, Washer Pump, Upfitter Relay Coil
12	L, MI, M2 Blower Motor, Rear A/C Relay Coil, Front Cont. Temp. Door Motor, Hi Blower Relay, Defogger Timer Coil
13	Cigarette Lighter, Door Lock Switches
14	Cluster HVAC Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wipermasher Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, OH Console
15	DRL Diode
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-up Lamps, BTSI Solenoid
17	Radio: ATC (Standby), 2000 Series (Main Feed), Rear Seat Audio Controls
18	VCM-Ign 3, VCM- Brake, 4WAL, Cruise Stepper Motor
19	Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDLI Odometer, TCC Enable and PWM Solenoids, Shift A and Shift B Solenoids, 3-2 Downshift Solenoids
21	—
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock Relay, 6-way Power Seat, Remote Control Door Lock Receiver, Dutch Door Module, Dutch Door Release
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Feef	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays

A/C Relay

IGN Relay

Starter Enable Relay

A/C Enable Relay

Empty Relay

Fuel Pump Relay

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud, Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Fuse Puller*
Spare	—
Spare	—
ECM-B	Fuel Pump Relay, VCM, Oil Pressure Switch/Sender
HORN	Horn Relay
A/C COMP	A/C Enable Relay
RR DEFOG	Heater-A/C Control Selector Switch
ENG-I	Oxygen Sensors 1-4, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Purge Solenoid Valve, Linear EGR Valve Solenoid, VCM
IGN-E	A/C Enable Relay
ECM-I	Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Distributor Ignition Control Module
LIGHTING	Park Lamps Fuse, DRL Fuse, Headlamp and Panel Dimmer Switch
BATT	I/P Fuse Block Fuses, Power Seat CB, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio, Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Brake Pressure Module Valve
A/C	Blower Motor Resistor, Blower Relay
RR HTR/AC	Auxiliary Heater A/C Relay
Spare	Not Used
* A fuse puller is included in the underhood electrical center. You will also find spare fuses.

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

Chevrolet Astro (1996) – fuse and relay box diagram

Posted on 23 December 201711 August 2025 by admin

Chevrolet Astro (1996) – fuse and relay box diagram

Year of production: 1996

This article covers the Chevrolet Astro, produced from 1985 to 2005. It includes fuse box diagrams for the 1996 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

Passenger compartment

Fuse box location

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuse box diagram

Chevrolet Astro (1996) - fuse and relay box diagram - passenger compartment — Chevrolet Astro (1996) – fuse and relay box diagram – passenger compartment

Assignment of the fuses in the passenger compartment (instrument panel)

Fuses/Circuit Breaker	Usage
1	Stop/Tum/Hazard Lamps, CHMSL, Chime Module
2	No Fuse-Resistor
3	Courtesy Lamps, Power Outside Mirrors, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps
4	DRL Relay, DRL Module, Chime Headlamp Switch, Keyless Entry, Cluster, Overhead Console
5	—
6	Cruise Module, Cruise Activator Switch
7	Power Outlets, DLC, Subwoofer Amplifier
8	—
9	License Plate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, RSA Illumination
10	Air Bag System
11	Wiper Motor, Washer Pump
12	L, M 1, M2 Blower Motor, Rear A/C Relay Coil, Front Cont, Temp. Door Motor, Hi Blower Relay, Defogger Timer Coil, Upfitter Relay Coil
13	Cigarette Lighter, Door Lock Relay
14	Cluster HVAC Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear WiperNasher Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination OH Console
15	DRL Lamps
16	Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-up Lamps, BTSI Solenoid
17	Radio: ATC (Standby), 2000 Series (Main Feed), Rear Seat Audio Controls
18	VCM-Ign 3, VCM- Brake, 4WAL, Cruise Stepper Motor
19	Radio: ATC (Main Feed), 2000 Series (Standby)
20	PRNDLI Odometer, TCC Enable and PWM Solenoids, Shift A and Shift B Solenoids, 3-2 Downshift Solenoids
21	—
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door Lock, 6-way Power Seat, Keyless Entry Module, Dutch Door Module, Dutch
B	(Circuit Breaker) Power Windows

Engine compartment

Fuse box location

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Fuse box diagram

Chevrolet Astro (1996) - fuse and relay box diagram - engine compartment — Chevrolet Astro (1996) – fuse and relay box diagram – engine compartment

Assignment of the fuses in the engine compartment

Feef	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays

A/C Relay

IGN Relay

Starter Enable Relay

A/C Enable Relay

Empty Relay

Fuel Pump Relay

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud, Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Fuse Puller*
Spare	—
Spare	—
ECM-B	Fuel Pump Relay, VCM, Oil Pressure Switch/Sender
HORN	Horn Relay
A/C COMP	A/C Enable Relay
RR DEFOG	Heater-A/C Control Selector Switch
ENG-I	Oxygen Sensors 1-4, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Purge Solenoid Valve, Linear EGR Valve Solenoid, VCM
IGN-E	A/C Enable Relay
ECM-I	Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Distributor Ignition Control Module
LIGHTING	Park Lamps Fuse, DRL Fuse, Headlamp and Panel Dimmer Switch
BATT I/P	Fuse Block Fuses, Power Seat CB, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio, Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switc
ABS	Brake Pressure Module Valve
A/C	Blower Motor Resistor, Blower Relay
RR HTR/AC	Auxiliary Heater A/C Relay
Spare	Not Used
* A fuse puller is included in the underhood electrical center. You will also find spare fuses.

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

Ford E-250 (2004) – fuse box diagram

Posted on 22 December 2017 by admin

Ford E-250 (2004) – fuse box diagram

Year of production: 2004

Passenger compartment fuse panel

The fuse panel is located below and to the left of the steering wheel by the brake pedal.

Ford E-250 - fuse box - passenger compartment — Ford E-250 – fuse box – passenger compartment

Fuses/Relay locaction	Ampere rating [A]	Passenger Compartment Fuse panel Description
1	5	4–Wheel Anti–lock Brake System (4WABS) module
2	10	Remote Keyless Entry (RKE), O/D cancel, Low vacuum (Diesel engine only)
3	15	Trip computer, Radio, Instrument illumination, Video Cassette Player (VCP) and video screens, Overhead console
4	15	Modified vehicle, Courtesy lamps
5	30	Power lock switches, Power locks without RKE
6	10	Brake-shift interlock, Speed control (gasoline engine only)
7	10	Multi-function switch, Turn signals
8	30	Radio capacitor(s), Ignition coil, Powertrain Control Module (PCM) diode, PCM power relay, Auxiliary PCM (APCM) (Diesel engine only)
9	30	Wiper control module, Windshield wiper motor
10	20	Main light switch, Park lamps, License lamp (external lamps), Multi-function switch (flash-to-pass)
11	15	Multi-function switch (hazards), Brake lamp switch, Brake lamps
12	15	Back-up lamps, Auxiliary battery relay (gasoline engine only), Trailer tow relay
13	15	Blend door actuator, A/C heater, Function selector switch
14	5	Instrument cluster
15	5	Trailer battery charge relay, Cluster, Daytime Running Lamps (DRL) module
16	30	Power seats
17	5	Power mirrors
18	—	Not used
19	—	Not used
20	10	Restraints
21	—	Not used
22	15	Memory power radio, Rear seat video control unit, Battery saver relay, Instrument cluster, Courtesy lamp relay, Accessory delay relay
23	20	Power locks w/RKE
24	—	Not used
25	10	Left headlamp (low beam)
26	20	Cigar lighter, Diagnostics
27	5	Radio
28	—	Not used
29	20	Power point #4 (console)
30	15	Headlamps (high beam indicator)
31	10	Right headlamp (low beam)
32	20	Power point #1 (instrument panel)
33	20	Starter solenoid (gasoline engine only)/Start relay (diesel engine only)
34	20	Power point #3 (console)
35	30	Modified vehicle
36	5	(Cluster, A/C, Illumination, Radio)
37	—	Not used
38	—	Not used
39	10	Trailer tow electric brake, Center High-Mounted Stop Lamp (CHMSL), Brake lamps
40	20	Power point #2 (2nd row seating position – driver side)
41	30	Modified vehicle
42	—	Not used
43	20 circuit breaker	Power windows
44	—	Not used

Power distribution box

The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.

Ford E-250 - fuse box - power distribution — Ford E-250 – fuse box –
power distribution

Fuse/Relay Location	Ampere rating [A]	Power Distribution Box Discription
1	—	Powertrain Control Module (PCM) diode
2	—	Alternative Fuel Control Module (AFCM) diode (Natural gas vehicle only)
3	10*	Daytime Running Lamps (DRL) module, A/C clutch
4	20*	Natural Gas Vehicle (NGV) tank solenoids (natural gas vehicle only)
5	15*	Horn relay
6	2*	Brake pressure switch
7	60**	Ignition switch, Fuse panel, Accessory delay
8	40**	Trailer battery charge relay
9	50**	Modified vehicle power
10	30**	Electric brake controller
11	60**	4-Wheel Anti-lock Brake System (4WABS)
12	60**	I/P fuses 29, 34, 35, 40 and 41
13	20**	Fuel pump relay
14	50**	Auxiliary blower relay
15	30**	Main light switch
16	—	Not used
17	50**	Blower motor relay (blower motor)
18	60**	Engine compartment fuses 3, 5, 23 and 26, Instrument panel fuses 26 and 32, Diesel start relay (Diesel engine only
19	50**	IDM relay (Diesel engine only)
20	60**	Auxiliary battery relay (gasoline engine only), PDB fuses 8 and 24 (Diesel engine only)
21	30**	PCM power relay, PDB fuse 27
22	60**	I/P fuses 4, 5, 10, 11, 16, 17, 22 and 23
23	10*	Alternator
24	20*	Trailer tow running lamps and back-up lamp relays
25	—	Not used
26	20*	Trailer tow turn signals
27	10*	PCM
28	—	Not used
A	—	Fuel pump relay
B	—	Horn relay
C	—	Trailer back-up lamps relay
D	—	Trailer running lamps relay
E	—	Trailer battery charge relay
F	—	IDM relay (Diesel only)
G	—	PCM relay
H	—	Blower motor relay
J	—	Accessory delay relay
K	—	Start relay (Diesel only)
* Mini fuses ** Maxi fuses

Relay modules

Instrument panel relay module

The instrument panel relay module is located behind the radio in the center of the instrument panel.

Relays location	Description
1	Interior lamps
2	Open
3	Roof marker lamps
4	Battery saver

Engine compartment relay module

The engine compartment relay module is located in one of two places depending on which type of engine your vehicle is equipped with:
• Gasoline engine: driver side of the engine compartment above the brake master cylinder

• Diesel engine: passenger side of the engine compartment behind the power distribution box

Ford E250 - fuse box - engine compartment relay module — Ford E250 – fuse box –
engine compartment relay module

Relay location	Description
1	Trailer tow left turn
2	A/C control
3	PCM back-up lamp
4	Trailer tow right turn

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

Chevrolet Astro (2003) – fuse box diagram

Posted on 22 December 201710 July 2019 by admin

Chevrolet Astro (2003) – fuse box diagram

Year of production: 2003

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Fuses/Circuit Breaker	Usage
1	Stop/Tum/Hazard Lamps, Center High Mounted Stop Lamp, Anti-Lock Brakes
2	Radio Accy, Rear Seal Audio Contro!s
3	Courtesy Lamps. Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps
4	Daytime Running lamps Relay, Instrument Panel Cluster
5	Rear Defogger
6	Cruise Module. Truek Body Control Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror
7	Power Outlets, DLC, Subwoofer Amplifier
8	Crank Circuit Fuse, Park/Neutral Switch, Starter Enabler Relay
9	License Prate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch illumination, Rear Seat, Audio illuminati0n, Truck Body Control Module
10	Air Bag System
11	—
12	L, M1, M2 Blower Motor, Rear Air Conditioning Relay Coli, Front Cont, Temp Door Motor. HI Blower Relay, Defogger Timer Coil
13	Cigarette lighter , Door Lock Switches. Dutch Door Release Module
14	Cluster Illum, Climate Controls, Chime Module, Radio illumination, Rear Heat Switch illumlnation, Rear Wiper/Washer Switch illumination, Rear Lifegate Switch illumination, Remote Cassette illumination, Overhead Console, Truck Body Control illumination
15	Truck Body Module, Headlamp Relay
16	Front Tum Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, Brake Transmission Shift interlock Solenoid
17	Front Wipers, Front Washer Pump
18	VCM-Ign 3, VCM-Brake, Cruise Step par Motor Sjgnal, A TC Module
19	Instrument Panel Radio, ATC (Main Feed), 2000 Series (Standby)
20	PRNDL/Odometer, TCC Enable and PWM Solenoid, Shift A and Shift B Solenoids, 3-2 Downshift Solenoid, instrument Panel Cluster, VCM Module
21	Power Adjust Mirrors
22	—
23	Rear Wiper, Rear Washer Pump
24	—
A	(Circuit Breaker) Power Door lock Relay, 6-Way Power Seats
B	(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Feef	Usage
AUX B	Upfitter Battery Feed
AUX A	Upfitter Accessory Feed

Relays	Usage
A/C Relay (Rear Heat and A/C)	Rear/Heat and Air Conditioning
Upfitter ACCY Relay	Upfitter Accessory
Starter Enable Relay	Starter
A/C Enable Relay	Air Conditioning
Headlamps Relay	Headlamps
Fuel Pump Relay	Fuel Pump

Fuse/Circuit Breaker	Usage
UPFITTER-BATT	Upfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCY	Upfitter Accessory Relay
Spare	—
Spare	—
Spare	—
ECM-1B	Fuel Pump Relay and Motor, VCM oil Pressure Switch/Sender
HORN	Horn Relay and Horn
A/C COMP	Air Conditioning Enable Relay and Compressor
RR HTR/AC	Rear Heater and Arr Conditioning
ATC	Active Transfer Case-L Van
FAT HVAC	Front Healer and Air Conditioning
ENG-I	Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid
IGN-E	Air Conditioning Enable Relay Coil
Blank	—
RH HDLMP	Right Headlamp
LH Headlamp	Left Headlamp
Blank	—
Blank	—
DIODE-1	Air Conditioning
Blank	—
Blank	—
Blank	—
LIGHTING	Courtesy Fuse, Power Adjust Mirrors Fuse, Truck Body Control, Battery Fuse
BATT	Power Accessory Circuit Breaker, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette lighter Fuse , Radio Battery Fuse
IGN A	Starter Relay, Ignition Switch
IGN B	Ignition Switch
ABS	Electronic Brake Control Module
Blank	—
RAP	Radio Accessory, Power Windows
HTD MIR/RR DEFOG	Hear Window Defogger, Climate Control Head

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

Chevrolet Camaro (2016) – fuse box diagram

Posted on 19 December 201710 July 2019 by admin

Chevrolet Camaro (2016) – fuse box diagram

Year of production: 2016

Engine Compartment Fuse Block

Chevrolet Camaro - fuse box - engine compartment — Chevrolet Camaro – fuse box – engine compartment

Fuses	Usage
F1	ABS pump
F2	—
F3	Driver power seat
F4	Cooling fan
F5	Passenger power seat
F6	—
F7	—
F8	—
F9	—
F10	—
F11	—
F12	Front wiper
F13	Starter
F14	Brake vacuum pump
F15	—
F16	Heated seat
F17	Passenger window
F18	Body control module 4
F19	Airbag module/AOS
F20	OnStar/Navigation (if equipped)
F21	Body control module 6
F22	ABS valve
F23	—
F24	—
F25	Steering column lock
F26	Body control module 2
F27	—
F28	Body control module 3
F29	Body control module 8
F30	Windshield wiper
F31	Right HID headlamp
F32	Left HID headlamp
F33	—
F34	Horn
F35	—
F36	Left high-beam headlamp
F37	Right high-beam headlamp
F38	Headlamp leveling
F39	—
F40	Rear electrical center/Ignition
F41	Malfunction indicator lamp/Ignition
F42	Instrument panel body/Ignition
F43	Exhaust valve/Active fuel management
F44	AOS display/Ignition
F45	Sunroof
F46	Body control module 7
F47	CGM
F48	—
F49	Heated steering whee
F50	Fuel system control module/Ignition
F51	Exhaust valve
F52	A/C clutch
F53	—
F54	Coolant pump
F55	—
F56	—
F57	Engine control module/Ignition
F58	Transmission control module/Ignition
F59	—
F60	Transmission control module battery
F61	MAF/O2 sensor
F62	Ignition coils – odd
F63	Non-walk/O2 sensor
F64	Ignition coils – even
F65	Ignition coils – odd
F66	Engine control module 1
F67	Engine control module 2
F68	—
F69	—
F70	—
F71	—
F72	—
F73	—
F74	—
F75	—
F76	—
F77	—

Relays	Usage
K1	—
K2	Run/Crank
K3	—
K4	Vacuum pump
K5	—
K6	Coolant pump
K7	Engine control module
K8	A/C control
K9	—
K10	Starter

Rear Compartment Fuse Block

The rear compartment fuse block is on the right side under the trunk load floor.

Chevrolet Camaro - fuse box - rear compartment — Chevrolet Camaro – fuse box – rear compartment

Fuses	Usage
F1	Rear defogger
F2	Front HVAC
F3	Electric parking brake
F4	—
F5	—
F6	Rear drive control module
F7	Right window 1
F8	—
F9	Left window 1
F10	Heated mirror 1
F11	—
F12	Heated steering wheel
F13	—
F14	HVAC control
F15	—
F16	Display
F17	Camera
F18	—
F19	Front ventilated seat 1
F20	Reverse lamps
F21	—
F22	—
F23	Body control module 1
F24	—
F25	—
F26	—
F27	RGB lights
F28	Passive entry/Passive start battery 1
F29	Data link connector
F30	Canister vent
F31	Memory seat module folding top
F32	Memory seat module
F33	Wireless charger
F34	Engine control module battery
F35	Fuel pump/Fuel system control module
F36	—
F37	Electric steering column lock
F38	Mirror window module
F39	Rear closure
F40	—
F41	Battery regulated voltage control
F42	SADS
F43	—
F44	Folding top solenoid
F45	Amplifier
F46	FPPM 22
F47	Shunt
F48	—
F49	Steering wheel
F50	Interior rearview mirror
F51	Camera module
F52	Rear parking assist
F53	Electronic limited-slip differential
F54	Side blind zone alert
F55	Radio controls
F56	Theft deterrent/Universal remote system
F57	—

Relays	Usage
K1	Rear defogger
K2	—

Circuit Breaker	Usage
CB1	—
CB2	Retained accessory power
CB3	—

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