July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Remote Control Door Lock Receiver (RCDLR) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12059162 4-Way F Micro-Pack 100 Series (BLU)
Pin	Wire Color	Circuit No.	Function
1	ORN	1140	Battery Positive Voltage
2	ORN	461	GMCM Serial Data
3	-	-	Not Used
4	BLK	1850	Ground