Trailer Connector (UY7)

Fig 1: Trailer Connector (UY7)

GM1566776

Courtesy of GENERAL MOTORS CORP.

Trailer Connector (UY7)

Pin	Wire	Circuit	Function
1	1 YE	18	Left Rear Stop/Turn Lamp Control (SUV without BRM)
	1 YE	618	Left Rear Turn Lamp Control (BRM)
	1 YE	1618	Left Rear Stop/Turn Lamp Control (Truck)
2	5 WH	22	Trailer Ground (without BRM)
2	3 WH	22	Trailer Ground (BRM)
3	3 D-BU	47	Trailer Auxiliary Control (without BRM)
3	0.8 L-BU	20	Stop Lamp Control (BRM)
4	1 D-GN	19	Right Rear Stop/Turn Lamp Control (SUV without BRM)
	1 D-GN	619	Right Rear Turn Lamp Control (BRM)
	1 D-GN	1619	Right Rear Stop/Turn Lamp Control (Truck)
5	3 RD	742	Battery Positive Voltage
6	0.8 BN	2109	Trailer Park Lamps Control
7	0.8 L-GN	24	Backup Lamp Control

Connector Part Information

Harness: License Lamp (without BRM)
Harness: Trailer Tow (BRM)
OEM: 11-894
Service: 88988703
Description: 7-Way F 2.8/6.35 Series Socket, Sealed (BK)

Terminal Part Information

Pins: 1, 4
Terminal/Tray: See Terminal Kit
Core/Insulation Crimp: See Terminal Kit
Release Tool/Test Probe: See Terminal Kit

Pin: 2
Terminal/Tray: 54001004/22
Core/Insulation Crimp: D/1
Release Tool/Test Probe: 12094429/J-35616-42 (RD)

Pins: 3-5
Terminal/Tray: 54001202/22
Core/Insulation Crimp: 2/D
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Pins: 6-7
Terminal/Tray: 54001807/22
Core/Insulation Crimp: 2/4
Release Tool/Test Probe: 12094429/J-35616-4A (PU)