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	LT BLU/ BLK	1505	Passenger Heated Seat Switch Signal
2	PNK	2145	Warmer/CoolerPassenger Switch Supply Voltage
3	PPL	2146	Passenger HVAC Switch Signal
4	BLK/WHT	451	Ground
5	LT BLU	244	Passenger Door Lock Switch Lock
6	DK BLU	245	Passenger door Lock Switch Unlock
7	-	-	Not Used
8	TAN	2147	Passenger Temp A Signal
9	GRY/BLK	2149	Passenger Temp C Signal
10	-	-	Not Used
11	ORN	740	Battery Positive Voltage
12	DK GRN	1184	Power Window Switch Signal - RH Front Window Up
13	BRN	501	Power Window Switch RF Up
14	BLK/WHT	451	Ground
15	TAN/WHT	2076	Power Door Serial Data
16	BRN/WHT	1506	Passenger Heated Seat Low Temperature Indicator Supply Voltage
17	DK BLU/ WHIT	1504	Passenger Heated Seat Indicator Supply Voltage
18	WHT	2148	Passenger Temp B Signal
19	DK GRN/ WHT	2178	Passenger Temp D Signal
20	YEL	1491	Backlighs Lamps Control