Radio C1 (Except Y91)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Radio C1 (Except Y91) Connector End View

Courtesy of GENERAL MOTORS CORP.

Radio C1 (Except Y91) Connector Parts Information

Connector Part Information

OEM: 15464950
Service: 88988731
Description: 14-Way F GT 150 Micro 64 Modular (BK)

Terminal Part Information

Pins: 1, 8
Terminal/Tray: 12191812/19
Core/Insulation Crimp: C/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: 2-7, 9-13
Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Radio C1 (Except Y91) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/WH	340	Battery Positive Voltage
2	TN	201	Left Front Speaker Output (+)
3	L-GN	200	Right Front Speaker Output (+)
4	PK	5149	Voice Recognition Audio Signal (UE1)
4	GY	655	Cellular Microphone Signal (Except UE1)
5	Bare	514	Ground (UE1)
5	PK/BK	5152	Low Reference (Except UE1)
6	WH	7066	Entertainment Remote Enable Signal
7	YE	6817	LED Backlight Dimming Control
8	BK	2550	Ground
9	GY	118	Left Front Speaker Output (-)
9	D-GN	1947	Left Front Low Level Audio Signal (-)
10	D-GN	117	Right Front Speaker Output (-)
10	OG/BK	1546	Front Low Level Audio Signal (-)
11	Bare	2011	Drain Wire
12	-	-	Not Used
13	D-GN	5060	Low Speed GMLAN Serial Data
14	-	-	Not Used