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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWSCONNECTOR END VIEWSBODY CONTROL MODULE (BCM) CONNECTOR END VIEW - C3
2002 Chevrolet Avalanche 2500, RWD
Body Control Module (BCM) Connector End View - C3
2002 Chevrolet Avalanche 2500, RWDSECTION Body Control Module (BCM) Connector End View - C3
Body Control Module (BCM) Connector End View - C3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | DK BLU/ WHT |
149 | Cargo Lamp Low Control |
| A2 | DK BLU/ WHT |
1495 | Interior Lamp Control |
| A3 | BRN | 1356 | Flash to Pass Switch Signal |
| A4 | GRY | 705 | 5 Volt Reference |
| A5 | GRY | 8 | Instrument Panel Lamp Supply Voltage - 1 |
| A6 | WHT | 278 | Ambient Light Sensor Signal |
| A7-A8 | - | - | Not Used |
| B1 | - | - | Not Used |
| B2 | LT GRN/ BLK |
394 | Left Front Door Handle Switch Signal |
| B3 | LT GRN | 262 | Driver Door Key Switch Signal |
| B4 | TAN | 126 | Left Front Door Open Switch Signal |
| B5 | ORN | 192 | Front Fog Lamp Switch Signal |
| B6 | PPL | 328 | Interior Lamp Defeat Switch Signal |
| B8 | - | - | Not Used |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.