For 1990-2009 cars

Connector 1: | Remote Control Door Lock Receiver (RCDLR) (AU3/AU0)

### Remote Control Door Lock Receiver (RCDLR) (AU3/AU0)

#### Connector Part Information

- OEM: HCMPB-04-K
- Description: 4-Way F HCM Series (BK)

#### Remote Control Door Lock Receiver (RCDLR) (AU3/AU0)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | BK/WH | 851 | Ground
2 | D-GN/RD | 5060 | Low Speed GMLAN Serial Data
3 | -- | -- | Not Used
4 | RD/WH | 1340 | Battery Positive Voltage