Seat Lumbar Switch - Left Rear (ARC)

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Seat Lumbar Switch - Left Rear (ARC) Connector End View

Courtesy of GENERAL MOTORS CORP.

Seat Lumbar Switch - Left Rear (ARC) Connector & Terminal Parts Information

Connector Part Information

OEM: 12065873
Service: 12102778
Description: 7-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

Pins: A, B, C, D, E, F, G
Terminal/Tray: 12146448/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Seat Lumbar Switch - LR (ARC) Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	WH/GY	7027	Left Rear Lumbar Forward Motor
2	YE/WH	7025	Lumbar Up Motor
3	WH/BK	7026	Left Rear Lumbar Down Motor
4	GY	8	Instrument Panel Lamp Supply Voltage
5	BK	750	Ground
6	PU	7028	Left Rear Lumbar Reverse Motor
7	PK/TN	3240	Battery Positive Voltage