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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 908 (COMPONENT LOCATIONS - ELECTRICAL CENTER IDENTIFICATION VIEWS)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK- LEFT I/P X3
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Junction Block- Left I/P X3

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Junction Block- Left I/P X3
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block - Left I/P X3 Connector End Views
GM1665716Courtesy of GENERAL MOTORS COMPANY
Junction Block- Left I/P X3

Pin Wire Circuit Function
1 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus +
2 0.8 BK 1050 Ground (HP2)
3 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
4 0.35 YE 6817 LED Backlight Dimming Control (with UK6, without STZ or Y91)
5 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
6 3 RD/WH 3740 Battery Positive Voltage (UQA or UQS)
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus +
8 0.5 RD/WH 3740 Battery Positive Voltage (with UQA, without STZ or Y91)
Connector Part Information
  • Harness Type:Instrument Panel (STZ or Y91)
  • Harness Type: I/P Extension (without STZ or Y91)
  • OEM Connector: 13516840
  • Service Connector: 13585318
  • Description: 8-Way F GT 280 Series (GN)

Terminal Part Information
  • Terminated Lead: Service by Connector Assembly - 13585318
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: Pins 1-3, 5, 7- 13525970/4
  • Terminal/Tray: Pins 6- 13525969/4
  • Core/Insulation Crimp: Pins 1, 3, 5, 7- E/A
  • Core/Insulation Crimp: Pins 2- 2/A
  • Core/Insulation Crimp: Pins 6- F/D
RENDER: 1.0x

NO RELATED

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