Body Control Module (BCM) - C3
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.
Body Control Module (BCM) - C3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | DK BLU/WHT | 149 | Courtesy Lamp Supply Voltage/Cargo Lamp Low Control |
| A2 | DK BLU/WHT | 1495 | Courtesy Lamp Switch Signal |
| 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-B1 | - | - | Not Used |
| B2 | ORN | 54 | Passenger Door Jamb Switch Signal (Base Pickup) |
| B2 | LT GRN/BLK | 394 | Left Front Door Handle Switch Signal (Uplevel Pickup) |
| 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 |
| B7 | LT BLU | 187 | Rear Fog Lamp Switch Signal |
| B8 | LT BLU | 2380 | Rear Parking Assist Chime Signal |