Chevrolet Chevy Express H1500 2005 - 2005 ELECTRICAL Fuses & Circuit Breakers - Chevy Express & Savana

Chevrolet Chevy Express H1500 2005 - 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 H1500 2005 - 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 H1500 2005 - Component Locations - Repairing Fusible Links

Chevrolet Chevy Express H1500 2005 - BODY FUSE BLOCK

NOTE:

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

Fig. 2: Chevrolet Chevy Express H1500 2005 - Component Locations - Identifying Body Fuse Block

Chevrolet Chevy Express H1500 2005 Fuse Block - Body

No.	Device	Rating	Description
1	SPARE Fuse	-	Not Used
2	OSRVM Fuse	10A	Outside Rearview Mirror Switch
3	CTSY LP/SEO Fuse	15A	CTSY LP Relay (YF7)
4	LR STOP/TRN Fuse	10A	Tail Lamp Assembly - Left
5	CARGO LKS Fuse	10A	CARGO UNLK Relay
6	RR STOP/TRN Fuse	10A	Tail Lamp Assembly - Right
7	DRV LKS Fuse	10A	DRV UNLK Relay
8	STOP/CHMSL Fuse	10A	Center High Mounted Stop Lamp (CHMSL) and Cruise Control Module (CCM)
9	HVAC 1 Fuse	10A	HVAC Control Assembly and Air Temperature Actuator
10	HVAC Fuse	20A	HVAC Control Assembly
11	BRKS Fuse	10A	Electronic Brake Control Module (EBCM)
12	HTD MIR/DEFOG Fuse	30A	RR DEFOG Relay
13	RR BLOWER Fuse	30A	Low/Med/High Speed Blower Motor Relays - Auxiliary
14	DR TRN MIR Fuse	10A	Outside Rearview Mirror - Driver
15	DOOR LKS Fuse	20A	DOOR LKS Relay
16	UPFTR PRK Fuse	10A	C320 - Upfitter Wiring Harness
17	NOT AVAILABLE	-	Not Used
18	LR PRK Fuse	10A	Tail Lamp Assembly - Left and License Lamp
19	PASS TRN MIR Fuse	10A	Outside Rearview Mirror - Passenger
20	RR PRK Fuse	10A	Tail Lamp Assembly - Right
21	TRLR PRK Fuse	15A	Trailer Wiring Harness - (UY7) or C405 (Cutaway)
22	FR PRK Fuse	10A	Inflatable Restraint I/P Module Disable Switch, Park/Turn signal Lamps - LF/RF and Marker Lamps - LF/RF
23	WND RAP Relay	-	PWR WND Circuit Breaker
24	AUXILIARY Relay	-	Upfitter wiring Harness - C321
25	RR DEFOG Relay	-	Rear Window Defogger Grid - Left/Right
26	CTSY LP Relay	-	Courtesy/Reading Lamps, C320 (YF7), C405 (Cutaway), Dome Lamp (Cargo)
27	CARGO UNLK Relay	-	Mini Wedge (Door Jamb Switch) - Cargo
28	DRV UNLK Relay	-	Mini Wedge (Door Jamb Switch) - Driver
29	PARK LP Relay	-	FR PRK, LR PRK, RR PRK, TRLR PRK and UPFTR PRK Fuses
30	DOOR LKS Relay	-	Mini Wedge (Door Jamb Switch) - Driver/Front Passenger/Cargo and Door Lock Actuators - LR/RR
31	PASS UNLK Relay	-	Mini Wedge (Door Jamb Switch) - Front Passenger and Door Lock Actuators - LR/RR
32	AUXILIARY 1 Fuse	50A	Upfitter Wiring Harness - C222, C321
20A	Cooling Fan (SEO)
33	AUXILIARY 2 Fuse	50A	AUXILIARY Relay (YF7)
20A	AUXILIARY Relay (SEO)
34	PWR WND Circuit Breaker	25A	Window Switch - Driver/Front Passenger

Chevrolet Chevy Express H1500 2005 - REAR FUSE BLOCK (PRP)

NOTE:

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

Fig. 3: Chevrolet Chevy Express H1500 2005 - Component Locations - Rear Fuse Block (PRP)

Chevrolet Chevy Express H1500 2005 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 H1500 2005 - UNDERHOOD FUSE BLOCK

NOTE:

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

Fig. 4: Chevrolet Chevy Express H1500 2005 - Component Locations - Identifying Underhood Fuse Block

Chevrolet Chevy Express H1500 2005 Fuse Block - Underhood

No.	Device	Rating	Description
1	RADIO BAT Fuse	15A	Vehicle Communication Interface Module (VCIM) and Radio (w/o UL5) or Chime Module (UL5)
2	PCM BAT Fuse	20A	Powertrain Control Module (PCM)
3	LR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Left
4	RR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Right
5	TRLR BU Fuse	10A	Trailer Wiring Harness (UY7) or C405 (Cutaway)
6	IGN 0 Fuse	10A	Powertrain Control Module (PCM) and Automatic Transmission
7	STOP LP Fuse	15A	Stop Lamp Switch
8	RR DEF/HTD MIR Fuse	20A	HVAC Control Assembly
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 PUMP Fuse	20A	FUEL PUMP Relay
13	TRLR Fuse	30A	Trailer Wiring Harness
14	FLASHER Fuse	15A	Turn Signal Hazard Flasher Module
15	HORN Fuse	15A	HORN Relay
16	TBC 3 Fuse	15A	Body Control Module (BCM)
17	TRL 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, MAF Sensor, PNP Switch (4.8L/5.3L/6.0L) or Odd Fuel Injectors, Ignition Control Module, EVAP Canister Purge Solenoid, MAF Sensor, PNP Switch (4.3L)
24	TBC IGN 1 Fuse	10A	Body Control Module (BCM)
25	SPARE Fuse	-	Not Used
26	ISRV Fuse	10A	Inside Rearview Mirror
27	CRANK Fuse	10A	Powertrain Control Module (PCM)
28	BTSI Fuse	10A	Stop Lamp Switch
29	AUX PWR Fuse	20A	Auxiliary Power Outlet
30	CIGAR Fuse	15A	Cigar Lighter 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	CAN VENT Fuse	10A	EVAP Canister Vent Solenoid and SPARE Relay
35	SPARE Fuse	-	Not Used
36	BTSI/BU Fuse	15A	Park/Neutral Position (PNP) Switch
37	SIR Fuse	10A	Inflatable Restraint I/P Module Disable Switch and SDM
38	PCM IGN 1 Fuse	15A	Powertrain Control Module (PCM) and Cruise Control Module (CCM) - w/o JL4 or Throttle Actuator Control (TAC) Module - JL4
39	O2B Fuse	15A	HO2S Bank 1 Sensor 2 and Bank 2 Sensor 2
40	O2A Fuse	15A	HO2S Bank 1 Sensor 1 and Bank 2 Sensor 1
41	WPR Fuse	15A	WPR Relay
42	RH-LOBM Fuse	10A	Headlamp Low Beam Right (Composite) or Headlamp - Right (Sealed)
43	LH-LOBM Fuse	10A	Headlamp Low Beam Left (Composite) or Headlamp - Left (Sealed)
44	LH-HIBM Fuse	10A	Headlamp High Beam Left (Composite) or Headlamp - Left (Sealed)
45	RH-HIBM Fuse	10A	Headlamp High Beam Right (Composite) or Headlamp - Right (Sealed)
46	TBC ACC Fuse	10A	Body Control Module (BCM)
47	FR WPR Fuse	25A	Windshield Wiper Motor
48	ABS Fuse	60A	Electronic Brake Control Module (EBCM)
49	IGN A Fuse	40A	STARTER Relay and Ignition Switch
50	TRLR Fuse	30A	Trailer Wiring Harness
51	BLOW Fuse	40A	Blower Motor Resistor Assembly
52	IGN B Fuse	40A	Ignition Switch
53	WPR Relay	-	Windshield Wiper Motor
54	A/C Relay	-	A/C Compressor Clutch
55	SPARE Relay	-	Not Used
56	HDLP-HIBM Relay	-	RH-HIBM Fuse and LH-HIBM Fuse
57	FUEL PUMP Relay	-	Fuel Pump
58	HDLP-LOBM Relay	-	RH-LOBM Fuse and LH-LHBM Fuse
59	HORN Relay	-	Horn Assembly
60	PWR SEAT Circuit Breaker	30A	Seat Adjuster Switch - Driver and Seat Adjuster Switch - Front Passenger
61	STARTER Relay	-	Starter
62	SPARE Relay	-	Not Used
63	SPARE Fuse	-	Not Used
64	SPARE Fuse	-	Not Used
65	MEGA Fuse	125A	Fuse Block - Body