Trailer Connector (UY7)

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Trailer Connector (UY7) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	1 L-GN	1624	Trailer Backup Lamps Supply Voltage
B	5 WH	22	Ground
C	3 D-BU	47	Solid State Relay Feedback
D	0.8 D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage
E	3 RD/BK	742	Battery Positive Voltage
F	1 BN	2109	Trailer Park Lamps Supply Voltage
G	0.8 YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage

Connector Part Information

OEM: 15354653
Service: 15306164
Description: 7-Way F Metri-Pack 280, Sealed (BK)

Terminal Part Information

Pins: A, D, F, G
Terminal/Tray: 12110847/4
Core/Insulation Crimp: C/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B
Terminal/Tray: 15305232/23
Core/Insulation Crimp: B/3
Release Tool/Test Probe: J-38125-11A/J-35616-42 (RD)

Pins: A, D, F, G
Terminal/Tray: 12110847/4
Core/Insulation Crimp: C/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C, E
Terminal/Tray: 12110845/4
Core/Insulation Crimp: F/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)