Driver Door Module (DDM) C4 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		174045-2 AMP 12-Way F (BLK) Wire harness connector is part of the mirror assembly (pigtail)
Pin	Wire Color	Circuit No.	Function
A	GRN/BLK	784	Driver Mirror Vertical Position Sensor Signal (w/ AV2)
B	BLU/BLK	786	Driver Mirror Horizontal Position Sensor Signal (w/ AV2)
C-D	-	-	Not Used
E	PPL/BLK	782	Memory Mirror Sensor Low Reference (w/ AV2)
F	BLK	9089	Heated Mirror Element Return
G	WHT	82	Driver Mirror Motor Left Control
H	BLK	267	Heated Mirror Element Feed
J	DK BLU	81	Driver Mirror Motor Right Control
K	YEL	89	Driver Mirror Motor Down Control
L	LT GRN	88	Driver Mirror Motor Up Control
M	RED/BLK	788	5-Volt Reference