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HVAC Control Module C1

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module C1 Connector End View
GM1715226Courtesy of GENERAL MOTORS CORP.
HVAC Control Module C1 Connector Parts Information

Connector Part Information 
  • OEM: 15491305
  • Service: 15126709
  • Description: 20-Way F USCAR 0.64 Series (BN)
Terminal Part Information 
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)
HVAC Control Module C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1-7 - - Not Used
8 PK 2145 Air Temperature Switch Signal - Right
9 OG 2615 Auxiliary Mode Door Signal
10 YE 2214 Auxiliary Air Temperature Door Signal
11-17 - - Not Used
18 GY 2599 Auxiliary Mode Door Position Signal
19 PU/WH 760 Auxiliary Blower Motor Speed Signal
20 - - Not Used