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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2274 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS &, COMPONENT CONNECTOR END VIEW INDEX)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK - RIGHT I/P X4
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Junction Block - Right I/P X4

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Junction Block - Right I/P X4
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 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 X4 Connector End Views
GM1667399Courtesy of GENERAL MOTORS CORP.
Junction Block - Right I/P X4

Pin Wire Color Circuit No. Function
A1 0.35 L-BU/BK 598 5-Volt Reference
0.35 L-BU/BK 598 5-Volt Reference (C67/CJ2)
A2 0.35 TN 520 Lower Right Air Temperature Sensor Signal (CJ2)
A3 0.35 TN 518 Lower Left Air Temperature Sensor Signal (CJ2)
A4 0.35 YE 1791 Low Reference
0.35 YE 1791 Low Reference (C67/CJ2)
A5 0.35 PU 1838 Recirculation Door Position Signal (CJ2)
A6 0.35 PU/WH 754 Blower Motor Speed Control
A7 - - Not Used
B1 0.35 L-BU/BK 598 5-Volt Reference
0.35 L-BU/BK 598 5-Volt Reference (CJ2)
B2 0.35 D-BU 1199 Left Air Temperature Door Control (CJ2)
B3 0.35 TN 2273 Mode Door Control
B4 0.35 YE 1791 Low Reference
0.35 YE 1791 Low Reference (CJ2)
B5 0.35 L-GN 713 Mode Door Position Signal
B6 0.35 L-BU 733 Left Air Temperature Door Position Signal (CJ2)
B7 - - Not Used
Connector Part Information 
  • OEM: 15467620
  • Service: 19115662
  • Description: 14-Way F GT 150 280 Series (BK)

Terminal Part Information 
  • Pins: A1, A4, B1, B4
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A2, A3, A5, A6, B2, B3, B5, B6
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
RENDER: 1.0x

NO RELATED

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

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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