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HVAC Control Module C4

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Fig 1: HVAC Control Module C4 Connector End View
GM1715225Courtesy of GENERAL MOTORS CORP.
HVAC Control Module C4 Connector Parts Information

Connector Part Information 
  • OEM: 15483874
  • Service: 21997401
  • Description: 16-Way F Kaizen 0.64 Series (GN)
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 C4 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 - - Not Used
2 GY 596 5-Volt Reference
3 OG 2215 Auxiliary Mode Door Control
4 GY 2614 Auxiliary Air Temperature Door Control
5 - - Not Used
6 GY/BK 1798 Low Reference
7 BN 5516 Inside Air Temperature Sensor Assembly Control
8-9 - - Not Used
10 D-GN 2211 Auxiliary Blower Motor Speed Control
11-16 - - Not Used