Radio X1 (UYS)

WARNING: This page is about a different car, the 2014 GMC Sierra 3500 HD, 2014 GMC Sierra 2500 HD, 2014 Chevrolet Silverado 3500 HD, and 2014 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Instrument Panel (Y91)
Harness Type: Instrument Panel Extension (without Y91)
OEM Connector: 13589609
Service Connector: 88988902
Description: 44-Way F GT 150/280 64 Series (BK)

Terminal Part Information

Pins: 6, 20, 28
Terminated Lead: 13327119
Release Tool: J-38125-215A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P

Pins: 29, 31-34, 39-43
Terminated Lead: 13327109
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-2A (GY)
Terminal/Tray: 12191812/19
Core/Insulation Crimp: E/C

Pins: 38, 44
Terminated Lead: 13327130
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: 15304711/8
Core/Insulation Crimp: 2/A

Radio X1 (UYS)

Pin	Wire	Circuit	Function
1-5	-	-	Not Used
6	0.35 L-BU/BK	659	Low Reference (UE1)
7-19	-	-	Not Used
20	0.35 D-BU	658	Cellular Telephone Voice Signal (UE1)
21-27	-	-	Not Used
28	0.35 D-GN	5060	Low Speed GMLAN Serial Data
29	0.5 BARE	2011	Drain Wire (without Y91)
29	0.35 BARE	2011	Drain Wire (Y91)
30	0.5 BARE	2099	Left Rear Audio Drain Wire (without Y91)
31	0.35 OG/BK	1546	Front Low Level Audio Signal (-)
32	0.35 D-GN	1947	Left Front Low Level Audio Signal (-)
33	0.35 TN	1946	Right Rear Low Level Audio Signal (-)
34	0.35 BN	1999	Left Rear Low Level Audio Signal (-)
35-36	-	-	Not Used
37	0.35 OG	6978	Amplifier Control (without Y91)
38	1 BK	2550	Ground
39	0.35 L-GN/WH	512	Right Front Low Level Audio Signal (+)
40	0.35 TN	511	Left Front Low Level Audio Signal (+)
41	0.35 D-BU	546	Right Rear Low Level Audio Signal (+)
42	0.35 BN/WH	599	Left Rear Low Level Audio Signal (+)
43	0.35 WH	7066	Entertainment Remote Enable Signal
44	1 RD/WH	340	Battery Positive Voltage