Automatic Transmission Shift Lever 4-Way Connector

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Automatic Transmission Shift Lever 4-Way Connector Connector End View

Courtesy of GENERAL MOTORS CORP.

Automatic Transmission Shift Lever 4-Way Connector Terminal Identification

Pin	Wire Color	Function
A	WH	Tow/Haul Signal
B	WH	Tow/Haul Ground
C	BK	TU/TD Signal
D	BK	TU/TD Power