Front Passenger Door Module (FPDM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162820 20-Way F Metri-Pack Mixed Series (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
7-10	-	-	Not Used
11	ORN	740	Battery Positive Voltage
12	DK GRN	1184	Window Switch Up Signal
13	BRN	501	Power Window Switch Down Signal
14	BLK/WHT	451	Ground
15	TAN/WHT	2076	Power Door Serial Data
16-19	-	-	Not Used
20	YEL	1491	Backlight Lamps Control