Chevrolet Express (2003 – 2008) – fuse box diagram
Year of production: 2003, 2004, 2005, 2006, 2007, 2008
Floor console fuse block
The floor console fuse block is located under the driver seat.
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) |
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 located in the engine compartment on the driver side of the vehicle.
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 Washer |
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) |
Relays | 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.