Front Passenger Door Module (FPDM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162820 20 Way F Non-Delphi Packard (BLK)
Pin	Wire Color	Circuit No.	Function
1	LT BLU	244	Passenger Door Lock Switch Lock Signal
2	DK BLU	245	Passenger Door Lock Switch Unlock Signal
3	-	-	Not Used
4	BLK/WHT	351	Ground (RH Drive)
4	BLK/WHT	451	Ground (LH Drive)
5-6	-	-	Not Used
7	PPL	2765	Power Window Switch Express Signal
8	DK GRN	1184	Power Window Switch Up Signal
9	ORN	1189	Power Window Switch Down Signal
10	BLK/WHT	351	Ground (RH Drive)
10	BLK/WHT	451	Ground (LH Drive)
11	ORN	740	Battery Positive Voltage
12-14	-	-	Not Used
15	TAN/WHT	2076	Power Door Serial Data
16	BRN	2063	Battery Positive Voltage
17	PNK	2069	Front Passenger Door Power Window Low Speed Serial Data
18	LT GRN	2071	Front Passenger Door Power Window High Speed Serial Data
19	WHT	2067	Low Reference
20	YEL	1491	Backlight Lamps Control