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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Cellular System, Entertainment System, And Navigation System) >> Component Locator >> Entertainment/Communication Connectors >> Radio C1 (Y91)
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Radio C1 (Y91)

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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