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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 764 (COMPONENT LOCATIONS - ELECTRICAL CENTER IDENTIFICATION VIEWS)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK- RIGHT I/P X5
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Junction Block- Right I/P X5

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Junction Block- Right I/P X5
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block- Right I/P X5 Connector End View
GM646380Courtesy of GENERAL MOTORS CORP.
Junction Block- Right I/P X5

Pin Wire Circuit Function
A 0.5 BN 6101 Low Reference (CJ2)
0.5 BN 6101 Low Reference (CJ2)
B 0.35 BN 839 Ignition Voltage
0.35 BN 839 Ignition Voltage (C67 or CJ2)
C 0.35 BN 839 Ignition Voltage
0.35 BN 839 Ignition Voltage (CJ2)
D 0.35 D-BU 1646 Right Air Temperature Door Position Signal
E 0.35 WH/BK 1236 Right Air Temperature Door Control
F 0.35 D-GN 1614 Recirculation Door Control (C67 or CJ2)
Connector Part Information
  • Harness Type: HVAC
  • OEM Connector: 15326900
  • Service Connector: 15306380
  • Description: 6-Way F GT 280 Series (BK)

Terminal Part Information
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A-C: 2/A
  • Core/Insulation Crimp: Pins D-F: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
RENDER: 1.0x

NO RELATED

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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.