LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 651 (Wiring Systems And Power Management - Component Connector End Views - Electronic Compass Module To Memory Seat Module (X4)) >> Component Connector End Views >> HVAC Control Module X2 (CJ2)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

HVAC Control Module X2 (CJ2)

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.
GM1653409Courtesy of
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 13783349
  • Service Connector: 13578573
  • Description: 16-Way F Micro HVT Series (BK)
Terminal Part Information
  • Terminated Lead: 13575550
  • Release Tool: J-38125-559
  • Diagnostic Test Probe: J-35616-16 (L-GN)
  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
HVAC Control Module X2 (CJ2)

Pin Wire Circuit Function
1 0.35 RD/WH 3340 Battery Positive Voltage
2 - - Not Used
3 0.5 GY 970 5-Volt Reference (HP2)
4 0.35 L-GN/BK 735 Ambient Air Temperature Sensor Signal
5 0.35 D-GN 5060 Low Speed GMLAN Serial Data
6-7 - - Not Used
8 0.5 BK/WH 1851 Ground
9 0.35 OG 300 Ignition Voltage
10 0.35 WH 193 Rear Defog Relay Control
11-14 - - Not Used
15 0.5 BK 1050 Ground
16 0.35 D-GN 6101 Low Reference