Trailer Brake Control Switch (JL1)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Trailer Brake Control Switch (JL1) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1-2	-	-	Not Used
3	0.35 D-BU	7632	5-Volt Reference
4	0.35 YE	7635	Integrated Trailer Brake Controller Manual Apply Signal
5	0.35 BN	7634	Integrated Trailer Brake Controller Redundant Manual Apply Signal
6	0.35 L-GN/BK	7633	Integrated Trailer Brake Controller User Gain Signal
7	0.35 YE	6817	LED Backlight Dimming Control
8	0.35 TN	7631	Ground Return

Connector Part Information

OEM: 13518475
Service: See Catalog
Description: 8-Way F YESC Kaizen Series (BK)

Terminal Part Information

Pins: 3-8
Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)