X123 Brake/Clutch Harness to Chassis Harness (JL1)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information Harness Type: Brake/Clutch OEM Connector: 15326835 Service Connector: 13580112 Description: 8-Way F GT 150 Series Sealed (BK)	Connector Part Information Harness Type: Chassis OEM Connector: 15326840 Service Connector: 15326840 Description: 8-Way M GT 150 Sealed 4.0 (BK)
Terminal Part Information Terminated Lead: 13575412 Release Tool: J-38125-553 Diagnostic Test Probe: J-35616-2A (GY) Terminal/Tray: 12191819/8 Core/Insulation Crimp: E/1	Terminal Part Information Terminated Lead: 13575397 Release Tool: J-38125-553 Diagnostic Test Probe: J-35616-3 (GY) Terminal/Tray: 15326269/19 Core/Insulation Crimp: E/4

Pin	Wire	Circuit	Function	Pin	Wire	Circuit	Function
A	0.35 TN	7631	Low Reference	A	0.5 TN	7631	Low Reference
B	0.35 L-GN/BK	7633	Integrated Trailer Brake Controller User Gain Signal	B	0.5 L-GN/BK	7633	Integrated Trailer Brake Controller User Gain Signal
C	0.35 YE	7635	Integrated Trailer Brake Controller Manual Apply Signal	C	0.5 YE	7635	Integrated Trailer Brake Controller Manual Apply Signal
D	0.35 D-BU	7632	5-Volt Reference	D	0.5 D-BU	7632	5-Volt Reference
E	0.35 BN	7634	Integrated Trailer Brake Controller Redundant Manual Apply Signal	E	0.5 BN	7634	Integrated Trailer Brake Controller Redundant Manual Apply Signal
F	-	-	Not Used	F	-	-	Not Used
G	0.35 L-BU/WH	6311	TCC Brake Signal	G	0.5 L-BU/WH	6311	TCC Brake Signal
H	0.35 PK	239	Ignition Voltage	H	0.5 PK	239	Ignition Voltage