LEMON Manuals: Even more car manuals for everyone: 1960-2025
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 C4 (Y91)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Radio C4 (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 C4 (Y91) Connector End View
GM1454407Courtesy of GENERAL MOTORS CORP.
Radio C4 (Y91) Connector Parts Information

Connector Part Information 
  • OEM: 15394151
  • Service: 89047196
  • Description: 16-Way F Micro 64 Series (BN)
Terminal Part Information 
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
Radio C4 (Y91) Connector Terminal Identification

Pin Wire Color Circuit No. Function
1-2 - - Not Used
3 D-BU 6760 Center Channel Low Level Audio Signal
4 WH 6763 Subwoofer Low Level Audio Signal
5 D-GN/WH 817 Vehicle Speed Signal
6 PK 6972 Camera Signal #2 + (UVC)
7 L-BU 6973 Camera Signal #2 (UVC)
8 PU 5837 Amplifier Audio Prompt Signal (+)
9-10 - - Not Used
11 OG 6761 Center Channel Low Level Audio Signal (-)
12 PK 6762 Subwoofer Low Level Audio (-)
13 Bare 6759 Drain Wire (UQS)
14 - - Not Used
15 Bare 5838 Drain Wire
16 GY 5836 Amplifier Audio Prompt Signal (-)