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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 899 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)COMPONENT LOCATORENTERTAINMENT/COMMUNICATION CONNECTORSRADIO C1 (Y91)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Radio C1 (Y91)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Radio C1 (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 (Y91) Connector End View
GM1590072Courtesy of GENERAL MOTORS CORP.
Radio C1 (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 (Y91) Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 RD/WH 340 Battery Positive Voltage
2 TN 511 Left Front Low Level Audio Signal (+)
3 L-GN/WH 512 Right Front Low Level Audio Signal (+)
4 PK 5149 Voice Recognition Audio Signal (UE1)
GY 655 Cellular Microphone Signal (Except UE1)
5 Bare 514 Ground (Except UE1)
PK/BK 5152 Low Reference (UE1)
6 WH 7066 Entertainment Remote Enable Signal
7 YE 6817 LED Backlight Dimming Control
8 BK 2550 Ground
9 D-GN 1947 Left Front Low Level Audio Signal (-)
10 OG/BK 1546 Front Low Level Audio Signal (-)
11 Bare 2011 Drain Wire
12 OG 1486 FM Composite Signal
13 D-GN 5060 Low Speed GMLAN Serial Data
14 - - Not Used
RENDER: 1.0x

NO RELATED

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