Chevrolet Chevy Express G3500 2006 - 2006 ELECTRICAL Fuses & Circuit Breakers - Chevy Express, Cutaway, RV Cutaway & Savana

Chevrolet Chevy Express G3500 2006 - IDENTIFICATION

CAUTION:

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Chevrolet Chevy Express G3500 2006 - FUSIBLE LINKS

Fusible links are usually located between battery and starter or electrical center. For description and repair procedures, see Fig. 1.

Fig. 1: Chevrolet Chevy Express G3500 2006 - Component Locations - Repairing Fusible Links

Chevrolet Chevy Express G3500 2006 - BODY FUSE BLOCK

NOTE:

The floor console is located under the driver's seat.

Fig. 2: Chevrolet Chevy Express G3500 2006 - Component Locations - Identifying Body Fuse Block

Chevrolet Chevy Express G3500 2006 Fuse Block - Body

No.	Device	Rating	Description
1	SPARE Fuse	-	Not Used
2	OSRVM Fuse	10A	Outside Rearview Mirror Switch
3	CTSY LAMP/SEO Fuse	15A	CTSY LAMP Relay (YF7)
4	LT REAR STOP/TRN Fuse	10A	Tail/Stop and Turn Signal Lamp - Left
5	REAR DR LCKS Fuse	10A	CARGO UNLCK Relay
6	RT REAR STOP/TRN Fuse	10A	Tail/Stop and Turn Signal Lamp - Right
7	DR LCKS Fuse	10A	DRV UNLCK Relay
8	STOP/CHMSL Fuse	10A	Center High Mounted Stop Lamp (CHMSL) - Passenger/Cargo, Cruise Control Module (CCM) - Gas w/K34, Throttle Actuator Control Module (TCM) - JL4, Transmission Control Module and Engine Control Module (ECM) - Diesel
9	HVAC 1 Fuse	10A	HVAC Control Assembly (C49/DE5/DE7), Air Temperature Actuator, HVAC Control Processor, Auxiliary Bower Motor Relays and Air/Mode Actuators (C69)
10	HVAC Fuse	20A	HVAC Control Assembly, Vacuum Pump - Diesel
11	BRK Fuse	10A	Electronic Brake Control Module (EBCM), High Idle Switch - UF3, Traction Control Switch - JL4
12	HTD MIR/DEFOG Fuse	30A	REAR DEFOG Relay
13	REAR BLWR Fuse	30A	Low/Med/High Speed Blower Motor Relays - Auxiliary (C36/C69) or C409 (ENC)
14	DRV PWR TRN MIR Fuse	10A	Outside Rearview Mirror - Driver (DE7) or C405 (Cutaway)
15	DR LCK Fuse	20A	DR LCKS Relay
16	UPFTR PRK LAMPS Fuse	10A	C320 - Upfitter Wiring Harness
17	-	-	Not Used
18	LT REAR PRK Fuse	10A	Tail/Stop and Turn Signal Lamp - Left and License Lamp
19	PASS TRN MIR Fuse	10A	Outside Rearview Mirror - Passenger (DE7) and C405 (Cutaway)
20	RT REAR PRK Fuse	10A	Tail/Stop and Turn Signal Lamp - Right
21	TRLR PRK Fuse	15A	Trailer Wiring Harness - (UY7) or C405 (Cutaway)
22	FRT PRK Fuse	10A	Inflatable Restraint I/P Module Disable Switch, Park/Turn signal Lamps - LF/RF and Marker Lamps - LF/RF
23	RAP Relay	-	PWR WNDW Circuit Breaker
24	AUX Relay	-	Upfitter Wiring Harness - C222 and C321
25	REAR DEFOG Relay	-	Rear Window Defogger Grid - Left/Right (Passenger/Cargo)
26	CTSY LAMP Relay	-	Courtesy/Reading Lamps, C320 (YF7), C405 (Cutaway), Dome Lamp (Cargo)
27	CARGO UNLCK Relay	-	Door Latch Assembly - Cargo
28	DRV UNLCK Relay	-	Door Latch Assembly - Driver
29	PARK LAMP Relay	-	FRT PRK, LT REAR PRK, RT REAR PRK, TRLR PRK and UPFTR PRK LAMPS Fuses
30	DR/LCKS Relay	-	Door Latch Assembly - Driver/Passenger/Cargo and Door Lock Actuators - LR/RR
31	PASS UNLCK Relay	-	Door Latch Assembly - Passenger and Door Lock Actuators - LR/RR
32	AUX 1 Fuse	50A	Upfitter Wiring Harness - C222, C321 (YF7)
60A	EBCM (JL4)
33	AUX 2 Fuse	50A	AUX Relay (YF7)
20A	AUX Relay (SEO)
34	PWR WNDW Circuit Breaker	25A	Window Switch - Driver/Passenger

Chevrolet Chevy Express G3500 2006 - REAR FUSE BLOCK (PRP)

NOTE:

The Rear fuse block is attached to the left B-pillar.

Fig. 3: Chevrolet Chevy Express G3500 2006 - Component Locations - Rear Fuse Block (PRP)

Chevrolet Chevy Express G3500 2006 Fuse Block - Rear (PRP) - Fuse Applications

No.	Device	Rating	Description
1	Access Panel Relay - Left Side Rear	-	Access Panel Latches - Left Side Rear
2	Dome Fluorescent Work Lamps Fuse	10	Dome Fluorescent Work Lamps (UF2)
3	Panel Actuator Fuse	15	Access Panel Relays
4	-	-	Not Used
5	Access Panel Relay - Left Side Front	-	Access Panel Latches - Left Side Front
6	Access Panel Relay - Right Side	-	Access Panel Latches - Right Side

Chevrolet Chevy Express G3500 2006 - UNDERHOOD FUSE BLOCK

NOTE:

The Underhood fuse block is in the engine compartment, attached to left front fender.

Fig. 4: Chevrolet Chevy Express G3500 2006 - Component Locations - Identifying Underhood Fuse Block

Chevrolet Chevy Express G3500 2006 Fuse Block - Underhood - (Gas)

No.	Device	Rating	Description
1	RDO BATT Fuse	15A	Radio (w/o UL5) or Chime Module (UL5)
2	PCM BATT Fuse	20A	Powertrain Control Module (PCM)
3	LT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Left (UF7) or C405 (Cutaway)
4	RT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Right (UF7) or C405 (Cutaway)
5	TRLR BCK/UP Fuse	10A	Trailer Wiring Harness (UY7) or C405 (Cutaway)
6	IGN 0 Fuse	10A	Powertrain Control Module (PCM), Body Control Module (BCM), Automatic Transmission
7	STOP LAMP Fuse	15A	Stop Lamp Switch
8	REAR DEF/HTD MIR Fuse	20A	HVAC Control Assembly (C49/DE5/DE7)
9	RT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - RF
10	LT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - LF
11	TBC 4 Fuse	15A	Body Control Module (BCM)
12	FUEL PMP Fuse	20A	FUEL PMP Relay
13	TRLR Fuse	30A	Trailer Wiring Harness
14	HAZRD Fuse	15A	Turn Signal/Hazard Flasher Module
15	HORN Fuse	15A	HORN Relay
16	TBC 3 Fuse	15A	Body Control Module (BCM)
17	TRLR STOP/TRN Fuse	15A	Trailer Stop/Turn Relay - Left and Trailer Stop/Turn Relay - Right
18	TBC 2 Fuse	15A	Body Control Module (BCM)
19	TBC Fuse	10A	Body Control Module (BCM)
20	RFA Fuse	10A	Remote Control Door Lock Receiver (RCDLR)
21	ENG 2 Fuse	10A	Even Fuel Injectors and Even Ignition Coils (4.8L/5.3L/6.0L) or Even Fuel Injectors and Ignition Coil (4.3L)
22	IGN E Fuse	10A	Stop Lamp Switch and A/C Relay
23	ENG 1 Fuse	15A	Odd Fuel Injectors, Odd Ignition Coils, EVAP Canister Purge Solenoid Valve, MAF/IAT Sensor, PNP Switch (4.8L/5.3L/6.0L) or Odd Fuel Injectors, Ignition Control Module, EVAP Canister Purge Solenoid Valve, MAF/IAT Sensor, PNP Switch (4.3L)
24	TBC IGN 1 Fuse	10A	Body Control Module (BCM)
25	SPARE Fuse	-	Not Used
26	ISRVM Fuse	10A	Inside Rearview Mirror (DF5)
27	CRNK Fuse	10A	Powertrain Control Module (PCM)
28	BTSI Fuse	10A	Stop Lamp Switch
29	AUX PWR Fuse	20A	Auxiliary Power Outlet 2
30	LTR Fuse	15A	Cigar Lighter/Auxiliary Power Outlet 1 and Data Link Connector (DLC)
31	IPC Fuse	10A	Instrument Panel Cluster (IPC)
32	A/C Fuse	10A	A/C Relay
33	SPARE Fuse	-	Not Used
34	CNSTR VENT SOL Fuse	10A	EVAP Canister Vent Solenoid Valve and SPARE Relay
35	SPARE Fuse	-	Not Used
36	BTSI BCK/UP Fuse	15A	Park/Neutral Position (PNP) Switch
37	AIRBAG Fuse	10A	PPS Module and Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7), Inflatable Restraint I/P Module Disable Switch (Heavy Duty), SDM
38	PCM IGN 1 Fuse	15A	Powertrain Control Module (PCM), Cruise Control Module (CCM) - w/o JL4 or Throttle Actuator Control (TAC) Module and Steering Wheel Speed/Position Sensor - JL4
39	O2 SNSR B Fuse	15A	HO2S Bank 1 Sensor 2 and Bank 2 Sensor 2
40	O2 SNSR A Fuse	15A	HO2S Bank 1 Sensor 1 and Bank 2 Sensor 1
41	WSW Fuse	15A	WSW Relay
42	RT-LO BEAM Fuse	10A	Headlamp Low Beam - Right (Composite) or Headlamp - Right (Sealed)
43	LT-LO BEAM Fuse	10A	Headlamp Low Beam - Left (Composite) or Headlamp - Left (Sealed)
44	LT-HI BEAM Fuse	10A	Headlamp High Beam - Left (Composite) or Headlamp - Left (Sealed)
45	RT-HI BEAM Fuse	10A	Headlamp High Beam - Right (Composite) or Headlamp - Right (Sealed)
46	TBC ACCY Fuse	10A	Body Control Module (BCM)
47	FRT WPR Fuse	25A	Windshield Wiper Motor
48	ABS/VSES Fuse	60A	Electronic Brake Control Module (EBCM)
49	IGN A Fuse	40A	STRTR Relay and Ignition Switch
50	TRLR Fuse	30A	Trailer Wiring Harness
51	BLWR Fuse	40A	Blower Motor Resistor Assembly
52	IGN B Fuse	40A	Ignition Switch
53	WSW Relay	-	Windshield Wiper Motor
54	A/C Relay	-	A/C Compressor Clutch
55	SPARE Relay	-	Not Used
56	LAMP-HI BEAM Relay	-	RT-HI BEAM and LT-HI BEAM Fuses
57	FUEL PMP Relay	-	Fuel Pump
58	LAMP-LO BEAM Relay	-	RT-LO BEAM and LT-LO BEAM Fuses
59	HORN Relay	-	Horn Assembly
60	PWR SEAT Circuit Breaker	30A	Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG2)
61	STRTR Relay	-	Starter
62	SPARE Relay	-	Not Used
63	SPARE Fuse	-	Not Used
64	SPARE Fuse	-	Not Used
65	125A Fuse	125A	Fuse Block - Body

Chevrolet Chevy Express G3500 2006 Fuse Block - Underhood - (Diesel)

No.	Device	Rating	Description
1	RDO BATT Fuse	15A	Radio (w/o UL5) or Chime Module (UL5)
2	FOH/ECM/TCM BATT Fuse	20A	Engine Control Module (ECM), Transmission Control Module (TCM), Coolant Heater (K08)
3	LT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Left (UY7) or C405 (Cutaway)
4	RT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Right (UY7) or C405 (Cutaway)
5	TRLR BCK/UP Fuse	10A	Trailer Wiring Harness (UY7) or C405 (Cutaway)
6	IGN 0 Fuse	10A	Engine Control Module (ECM), Body Control Module (BCM), Automatic Transmission, Glow Plug Control Module (GPCM)
7	STOP LAMP Fuse	15A	Stop Lamp Switch
8	REAR DEF/HTD MIR Fuse	20A	HVAC Control Assembly (C49/DE5/DE7)
9	RT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - RF
10	LT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - LF
11	TBC 4 Fuse	15A	Body Control Module (BCM)
12	FUEL PMP Fuse	15A	FUEL PMP Relay
13	TRLR Fuse	30A	Trailer Wiring Harness
14	HAZRD Fuse	15A	Turn Signal/Hazard Flasher Module
15	HORN Fuse	15A	HORN Relay
16	TBC 3 Fuse	15A	Body Control Module (BCM)
17	TRLR STOP/TRN Fuse	15A	Trailer Stop/Turn Relay - Left and Trailer Stop/Turn Relay - Right
18	TBC 2 Fuse	15A	Body Control Module (BCM)
19	TBC Fuse	10A	Body Control Module (BCM)
20	RFA Fuse	10A	Remote Control Door Lock Receiver (RCDLR)
21	SPARE Fuse	-	Not Used
22	IGN E Fuse	10A	Stop Lamp Switch and A/C Relay
23	ENG 1 Fuse	10A	MAF/IAT Sensor and PNP Switch
24	TBC IGN 1 Fuse	10A	Body Control Module (BCM)
25	FUEL HTR Fuse	20A	Fuel Heater
26	ISRVM Fuse	10A	Inside Rearview Mirror (DF5)
27	CRNK Fuse	10A	Engine Control Module (ECM)
28	BTSI Fuse	10A	Stop Lamp Switch
29	AUX PWR Fuse	20A	Auxiliary Power Outlet 2
30	LTR Fuse	15A	Cigar Lighter/Auxiliary Power Outlet 1 and Data Link Connector (DLC)
31	IPC Fuse	10A	Instrument Panel Cluster (IPC)
32	A/C Fuse	10A	A/C Relay
33	ECM Fuse	30A	ECM Relay
34	REAR FOG LMPS Fuse	10A	REAR FOG LMPS Relay (T79)
35	SPARE Fuse	-	Not Used
36	BTSI BCK/UP Fuse	15A	Park/Neutral Position (PNP) Switch
37	AIRBAG Fuse	10A	Inflatable Restraint I/P Module Disable Switch and SDM
38	ECM/TCM/GLOW PLUG CNTRL MDL IGN 1 Fuse	10A	Engine Control Module (ECM), Glow Plug Control Module (GPCM), Transmission Control Module (TCM)
39	SPARE	-	Not Used
40	SPARE	-	Not Used
41	WSW Fuse	15A	WSW Relay
42	RT-LO BEAM Fuse	10A	Headlamp Low Beam Right (Composite) or Headlamp - Right (Sealed)
43	LT-LO BEAM Fuse	10A	Headlamp Low Beam Left (Composite) or Headlamp - Left (Sealed)
44	LT-HI BEAM Fuse	10A	Headlamp High Beam Left (Composite) or Headlamp - Left (Sealed)
45	RT-HI BEAM Fuse	10A	Headlamp High Beam Right (Composite) or Headlamp - Right (Sealed)
46	TBC/TCM ACCY Fuse	10A	Body Control Module (BCM) and Transmission Control Module (TCM)
47	FRT WPR Fuse	25A	Windshield Wiper Motor
48	ABS/VSES Fuse	60A	Electronic Brake Control Module (EBCM)
49	IGN A Fuse	40A	STRTR Relay and Ignition Switch
50	TRLR Fuse	30A	Trailer Wiring Harness
51	BLWR Fuse	40A	Blower Motor Resistor Assembly
52	IGN B Fuse	40A	Ignition Switch
53	WSW Relay	-	Windshield Wiper Motor
54	A/C Relay	-	A/C Compressor Clutch
55	REAR FOG LMPS Relay	-	Rear Fog Lamps
56	LAMP-HI BEAM Relay	-	RT-HI BEAM and LT-HI BEAM Fuses
57	FUEL PMP Relay	-	Fuel Prime Pump
58	LAMP-LO BEAM Relay	-	RT-LO BEAM and LT-LO BEAM Fuses
59	HORN Relay	-	Horn Assembly
60	PWR SEAT Circuit Breaker	30A	Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG2)
61	STRTR Relay	-	Starter
62	SPARE Relay	-	Not Used
63	ECM ACT Fuse	10A	Engine Control Module (ECM)
64	SPARE Fuse	-	Not Used
65	125A Fuse	125A	Fuse Block - Body