Audio Amplifier X1 (UQA with Y91 or with STZ or UQS)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Audio Amplifier X1 (UQA with Y91 or with STZ or UQS) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.8 D-BU/WH	346	Left or Rear Subwoofer Speaker Output (+)
2	0.8 L-GN/BK	1794	Left or Rear Subwoofer Speaker Output (-)
3	0.8 L-BU/BK	315	Right Subwoofer Speaker Output (-)
4	3 RD/WH	3740	Battery Positive Voltage
5-6	-	-	Not Used
7	0.8 D-GN	1795	Right Subwoofer Speaker Output (+)
8	3 BK	2550	Ground

Connector Part Information

Harness Type: Floor Console
OEM Connector: 13544529
Service Connector: 13503877
Description: 8-Way F GT FBT 280 Series (BK)

Terminal Part Information

Terminated Lead: Service by Connector Assembly - 13503877
Release Tool: J-38125-29
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: Pins 1-3, 7 - 13544536/Not Available
Terminal/Tray: Pins 4, 8 - 13544537/Not Available
Core/Insulation Crimp: Not Available