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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1794 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS)ELECTRICAL CENTER IDENTIFICATION VIEWSFUSE BLOCK - UNDERHOOD X1
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Fuse Block - Underhood X1
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Fuse Block - Underhood X1
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fuse Block - Underhood X1
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 3 GY | 532 | Cooling Fan Motor Supply Voltage (V03 or V92 or V09) |
| 3 GY | 532 | Cooling Fan Motor Supply Voltage (without V92 or V03 or V09) | |
| 3 GY | 532 | Cooling Fan Motor Supply Voltage (LC3) | |
| 2-3 | - | - | Not Used |
| 4 | 3 BK | 250 | Ground |
| 5 | 0.35 PU | 709 | Left Park Lamp Supply Voltage |
| 0.35 PU | 709 | Left Park Lamp Supply Voltage (T84) | |
| 0.5 PU | 709 | Left Park Lamp Supply Voltage (TT6) | |
| 6 | 0.35 RD/WH | 340 | Battery Positive Voltage (K59) |
| 7 | 0.5 BN/WH | 1473 | Right Park Lamp Supply Voltage (TT7 or TT8) |
| 8 | 0.35 BN/WH | 309 | Right Park Lamp Supply Voltage |
| 0.35 BN/WH | 309 | Right Park Lamp Supply Voltage (T84) | |
| 0.5 BN/WH | 309 | Right Park Lamp Supply Voltage (TT6) | |
| 9 | 0.35 D-BU/WH | 1315 | Right Turn Signal Indicator Lamp Supply Voltage (LLT or LH2) |
| 0.35 D-BU/WH | 1315 | Right Turn Signal Indicator Lamp Supply Voltage (TT7 or TT8) | |
| 0.35 D-BU/WH | 1315 | Right Turn Signal Indicator Lamp Supply Voltage (LC3) | |
| 10 | 0.8 PU | 2234 | Fog Lamp Supply Voltage (LLT or LH2) |
| 0.8 PU | 2234 | Fog Lamp Supply Voltage (LC3) | |
| 11 | 0.5 PU | 1472 | Left Park Lamp Suppl Voltage (TT7 or TT8) |
| 12-13 | - | - | Not Used |
| 14 | 0.35 RD/WH | 340 | Battery Positive Voltage (TR7) |
| 15 | 0.8 D-GN/WH | 711 | Left Head Lamp High Beam Supply Voltage (TT7 or TT8 without TQ5) |
| 0.8 D-GN/WH | 711 | Left Head Lamp High Beam Supply Voltage (T84) | |
| 16 | - | - | Not Used |
| 17 | 0.35 L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage (LLT or LH2) |
| 0.35 L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage (TT7 or TT8) | |
| 0.35 L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage (LC3) | |
| 18 | 0.8 PU | 2234 | Fog Lamp Supply Voltage (LLT or LH2) |
| 0.8 PU | 2234 | Fog Lamp Supply Voltage (LC3) | |
| 19 | - | - | Not Used |
| 20 | 0.35 PK | 1439 | Ignition 1 Voltage (K14) |
| 21 | 1 TN/WH | 312 | Right Headlamp Low Beam Supply Voltage (TT6 or TT7 or TT8) |
| 1 TN/WH | 312 | Right Headlamp Low Beam Supply Voltage (T84) | |
| 22 | 1 YE | 712 | Left Headlamp Low Beam Supply Voltage (TT6 or TT7 or TT8) |
| 1 YE | 712 | Left Headlamp Low Beam Supply Voltage (T84) | |
| 23 | 0.35 L-GN/BK | 311 | Right Headlamp High Beam Supply Voltage (TT7 or TT8 without TQ5) |
| 0.35 L-GN/BK | 311 | Right Headlamp High Beam Supply Voltage (T84) | |
| 24 | - | - | Not Used |
| 25 | 0.8 D-GN | 29 | Horn Control (LH2 or LLT-U03) |
| 0.8 D-GN | 29 | Horn Control (LH2 or LLT with U03) | |
| 0.8 D-GN | 29 | Horn Control (LC3) | |
| 26 | - | - | Not Used |
| 27 | 0.5 BK | 250 | Ground |
| 28 | - | - | Not Used |
| 29 | 3 WH | 504 | Cooling Fan Low Reference (V03 or V92 or V09) |
| 3 WH | 504 | Cooling Fan Low Reference (-V92 or V03 or V09) | |
| 3 WH | 504 | Cooling Fan Low Reference (LC3) | |
| 30-31 | - | - | Not Used |
| 32 | 3 L-BU | 409 | Cooling Fan Motor Supply Voltage (V03 or V92 or V09) |
| 3 L-BU | 409 | Cooling Fan Motor Supply Voltage (-V92 or V03 or V09) | |
| 3 L-BU | 409 | Cooling Fan Motor Supply Voltage (LC3) |
Connector Part Information
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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.