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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1827 (COMPONENT LOCATIONS - ELECTRICAL CENTER IDENTIFICATION VIEWS)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK - RIGHT I/P X2
2006 Chevrolet Suburban C2500, 6.0 U

Junction Block - Right I/P X2

2006 Chevrolet Suburban C2500, 6.0 USECTION Junction Block - Right I/P X2
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block - Right I/P X2
GM1667401Courtesy of GENERAL MOTORS CORP.
Junction Block - Right I/P X2

Pin Wire Circuit Function
A1 0.5 RD/WH 1540 Battery Positive Voltage (U42)
A2 0.35 TN 481 Outside Moisture Signal 1 (CE1)
A3 0.35 L-GN 482 Outside Moisture Signal 2 (CE1)
A4 0.35 WH 2283 Ignition Voltage (CE1)
A5-A6 - - Not Used
A7 3 BK 1050 Ground (CF5 or TRW)
0.5 BK 1050 Ground (U01)
B1 3 RD/WH 3140 Battery Positive Voltage (CF5 or TRW)
B2 0.5 BN 2509 Left Front Park Lamps Supply Voltage (U01)
B3 0.35 YE 43 Accessory Voltage (CF5)
B4 0.5 BN/WH 230 Instrument Panel Lamps Dimming Control (CF5)
B5 0.5 WH 5990 Emergency Lamp Switch Signal (5Y0 or 5X7)
B6 0.35 BK 1050 Ground (CE1)
B7 - - Not Used
Connector Part Information 
  • Harness: Right A-Pillar
  • OEM: 15467621
  • Service: 19115663
  • Description: 14-Way F GT 150/280 Series (GY)
Terminal Part Information 
  • Pins: B2, B3
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: A7, B1
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A7, B4
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 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.