Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 908 (COMPONENT LOCATIONS - ELECTRICAL CENTER IDENTIFICATION VIEWS)ELECTRICAL CENTER IDENTIFICATION VIEWSFUSE BLOCK - UNDERHOOD X1
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Fuse Block - Underhood X1
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fuse Block - Underhood X1
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fuse Block - Underhood X1
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A1 | 0.8 BK | 250 | Ground |
| A2 | 0.5 L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage |
| A3 | 0.5 D-BU | 545 | Daytime Running Lamps (DRL) Supply Voltage (Z88 with T61) |
| A4 | 0.5 D-BU/WH | 1315 | Right Front Turn Signal Lamp Supply Voltage |
| A5-A6 | - | - | Not Used |
| A7 | 0.5 L-GN/BK | 311 | Right Headlamp High Beam Supply Voltage |
| A8 | 0.5 D-GN/WH | 711 | Left Headlamp High Beam Supply Voltage |
| B1-B2 | - | - | Not Used |
| B3 | 0.5 D-BU | 545 | Daytime Running Lamps (DRL) Supply Voltage |
| 0.5 D-BU | 545 | Daytime Running Lamps (DRL) Supply Voltage (Z88 with T61) | |
| B4 | 0.5 RD/WH | 3640 | Battery Positive Voltage (CE4) |
| B5 | 0.8 PU | 2234 | Front Fog Lamp Supply Voltage (T96) |
| 0.8 PU | 2234 | Front Fog Lamp Supply Voltage (T96) | |
| C1 | 0.5 GY | 532 | Cooling Fan Motor Supply Voltage (except HP2) |
| C2 | 0.5 YE | 5358 | Auxiliary Cooling Fan Motor Supply Voltage (except HP2) |
| D1 | 0.5 L-BU | 409 | Cooling Fan Motor Supply Voltage (except HP2) |
| D2 | 5 BK | 150 | Ground (except HP2) |
| E1 | 0.5 OG | 228 | Windshield Washer Pump Control |
| E2 | 0.8 YE | 712 | Left Headlamp Low Beam Supply Voltage |
| E3 | 0.8 TN/WH | 312 | Right Headlamp Low Beam Supply Voltage |
| E4 | 0.5 D-GN/WH | 266 | Rear Window Washer Pump Supply Voltage |
| E5 | 0.5 D-GN | 29 | Horn Control |
| 0.5 D-GN | 29 | Horn Control | |
| F1 | 0.5 YE/BK | 1334 | Left Rear Turn Signal Lamp Supply Voltage (TR2) |
| F2 | 0.5 D-GN/WH | 1335 | Right Rear Turn Signal Lamp Supply Voltage (TR2) |
| F3-F4 | - | - | Not Used |
| F5 | 0.5 BN | 2609 | Right Rear Park Lamps Supply Voltage |
| F6-F7 | - | - | Not Used |
| F8 | 0.5 BN | 2509 | Left Rear Park Lamps Supply Voltage |
Connector Part Information
Terminal Part Information
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.