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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2677 (WIRING SYSTEMS AND POWER MANAGEMENT - ELECTRICAL CENTER IDENTIFICATION VIEWS & COMPONENT CONNECTOR END VIEW INDEX)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK - RIGHT I/P X3
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Junction Block - Right I/P X3

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Junction Block - Right I/P X3
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block - Right I/P X3 Connector End View
GM1667402Courtesy of GENERAL MOTORS CORP.
Junction Block - Right I/P X3

Pin Wire Circuit Function
A1 0.8 D-GN 117 Right Front Speaker Output (-)
A2 0.8 L-GN 200 Right Front Speaker Output (+)
A3 - - Not Used
A4 0.5 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage (with or DPN)
A5-A6 - - Not Used
A7 3 BK 1050 Ground
B1 0.5 D-GN 5060 Low Speed GMLAN Serial Data
B2 0.8 RD/WH 240 Battery Positive Voltage
B3 - - Not Used
B4 2 RD/WH 1340 Battery Positive Voltage
B5-B7 - - Not Used
Connector Part Information 
  • OEM: 15467622
  • Service: 19115664
  • Description: 14-Way F GT 150 280 Series (L-GY)

Terminal Part Information 
  • Pins: A2, B2
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: A1, A4, B1
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pin A1: 2/A
  • Core/Insulation Crimp: Pins A4, B1: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A7, B4
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: Pin A7: F/D
  • Core/Insulation Crimp: Pin B4: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.