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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 919 (LIGHTING SYSTEMS)COMPONENT LOCATORLIGHTING SYSTEMS CONNECTOR END VIEWSDIMMER SWITCH
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Dimmer Switch
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Dimmer Switch
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Dimmer Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 74 | Park Lamp Switch Signal |
| B | ORN | 240 | Battery Positive Voltage |
| C | WHT | 352 | Headlamp Relay Coil Supply Voltage |
| D | ORN | 1140 | Battery Positive Voltage |
| E | BLK | 1850 | Ground |
| F | - | - | Not Used |
| G | DK BLU/WHT | 1495 | Courtesy Lamp Switch Signal |
| H | - | - | Not Used |
| J | PPL | 328 | Interior Lamp Defeat Switch Signal |
| K | DK GRN | 44 | Instrument Panel Lamps Dimmer Switch Signal |
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.