Tow/Haul Switch Connector End View

Tow/Haul Switch

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047785 4-Way F Metri-Pack 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	BLK	1850	Ground
B	GRY	1220	Instrument Panel Lamp Fuse Supply Voltage - 2
C	-	-	Not Used
D	LT BLU	553	Tow/Haul Switch Signal