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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS - POWER AND GROUND, INLINE HARNESS AND SPLICE PACK CONNECTOR END VIEWSSPLICE PACK CONNECTORSSP250 (DIESEL)
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30
SP250 (Diesel)
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION SP250 (Diesel)
Connector Part Information
- OEM: 15305288
- Service: 12167610
- Description: 12-Way F Metri-Pack 280 (BK)
Terminal Part Information
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: E/A
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)
SP250 (Diesel)
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A | TN/BK | 2500 | High speed GMLAN Serial Data Bus (+) |
| B | TN/BK | 2500 | High speed GMLAN Serial Data Bus (+) |
| C | TN/BK | 2500 | High speed GMLAN Serial Data Bus (+) |
| D-J | - | - | Not Used |
| K | TN | 2501 | High speed GMLAN Serial Data Bus (-) |
| L | TN | 2501 | High speed GMLAN Serial Data Bus (-) |
| M | TN | 2501 | High speed GMLAN Serial Data Bus (-) |
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.