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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1827 (COMPONENT LOCATIONS - ELECTRICAL CENTER IDENTIFICATION VIEWS)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK - RIGHT I/P X4
2006 Chevrolet Suburban K2500, 6.0 U

Junction Block - Right I/P X4

2006 Chevrolet Suburban K2500, 6.0 USECTION Junction Block - Right I/P X4
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 X4
GM1667399Courtesy of GENERAL MOTORS CORP.
Junction Block - Right I/P X4

Pin Wire Circuit Function
A1 0.35 L-BU/BK 598 5-Volt Reference
0.35 L-BU/BK 598 5-Volt Reference (C67 or CJ2)
A2 0.35 GY/BK 520 Lower Right Air Temperature Sensor Signal (CJ2)
0.35 TN 552 Low Reference (C67)
A3 0.35 WH/BK 518 Lower Left Air Temperature Sensor Signal (CJ2)
A4 0.35 YE 1791 Low Reference
0.35 YE 1791 Low Reference (C67 or 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 0.35 WH 2622 Evaporator Temperature Sensor Signal (except HP2)
Connector Part Information 
  • Harness: Front HVAC Module
  • 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, B7
  • 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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