Passenger Door Module (PDM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162820 20-Way F Non-Packard (BLK)
Pin	Wire Color	Circuit No.	Function
1-3	-	-	Not Used
4	BLK/WHT	451	Ground
5	LT BLU	244	Passenger Door Lock Switch Lock Signal
6	DK BLU	245	Passenger Door Lock Switch Unlock Signal
7	GRY	1096	Passenger Door Lock Switch Low Reference
8	DK GRN	1184	Power Window Switch Right Front Up Signal
9	BRN	501	Power Window Switch Right Front Down Signal
10	ORN	1189	Power Window Switch Right Front Low Reference
11	ORN	740	Battery Positive Voltage
12-14	-	-	Not Used
15	LT BLU	217	Power Door Serial Data
16-20	-	-	Not Used