SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2175 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS &, COMPONENT CONNECTOR END VIEW INDEX)ELECTRICAL CENTER IDENTIFICATION VIEWSJUNCTION BLOCK - RIGHT I/P X4
2006 Chevrolet Suburban C2500, 6.0 U

Junction Block - Right I/P X4

2006 Chevrolet Suburban C2500, 6.0 USECTION 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

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

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.