Driver Door Module (DDM) Connector End View C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162820 20-Way F Non-Packard (BLK)
Pin	Wire Color	Circuit No.	Function
1-2	-	-	Not Used
3	PPL	1807	Class 2 Serial Data
4	BLK/WHT	351	Ground
5	LT BLU	217	Power Door Serial Data
6	LT BLU	217	Power Door Serial Data
7-8	-	-	Not Used
9	GRY	1690	Automatic Day/Night Mirror Signal
10	PNK	1691	Automatic Day/Night Mirror Low Reference
11	ORN	1540	Battery Positive Voltage
12	YEL	1729	ECU Output Voltage (B+)
13	PPL	1807	Class 2 Serial Data
14	PNK	226	Driver Door Lock Switch Low Reference
15-20	-	-	Not Used