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HVAC Control Module Connector End View - C2

HVAC Control Module Connector End View - C2

GM73156Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: CO12110088
  • Service:
  • 24-Way F Micro-Pack 100 Series (GY)
Terminal Part Information
  • Terminal:
  • Terminal Seal:
  • Release Tool:
  • Core Crimp:
  • Insulation Crimp:
  • Test Probe:
Pin Wire Color Circuit No. Function
A1 L-BU 733 Air Temperature Door Position Signal
A2 YE/BK 1814 Lower Mode Door Position Signal
A3 BN 41 Run Ignition 3 Voltage
A4 GY 2599 Rear Mode Door Position Signal
A5 - - Not Used
A6 L-BU 5517 Passenger Compartment Rear Air Temperature Sensor Low Reference
A7 L-GN/WH 5729 Rear Mode Door Control A
A8 YE 1791 Air Temperature Door Control Low Reference
A9 GY/BK 2778 Passenger Air Temperature Motor Control
A10 YE 1318 Lower Mode Door Control
A11 GY 5127 After Boil Coolant Pump Relay Control
A12 PU 1838 Recirculation Door Position Signal
B1 D-BU 1646 Passenger Air Temperature Door Position Signal
B2 - - Not Used
B3 D-GN 5518 Passenger Compartment Rear Air Temperature Sensor Signal
B4 PU 722 Rear Mode Switch Signal (w/KA6)
B5 L-BU 733 Rear Temperature Switch Signal (w/KA6)
B6 BN 5516 Passenger Compartment Rear Air Temperature Motor Control
B7 L-GN/BK 5730 Rear Mode Door Control B
B8 D-BU 1199 Air Temperature Door Control
B9 WH/BK 1236 Passenger Air Temperature Door Control
B10 TN 2273 Mode Door Control
B11 - - Not Used
B12 D-GN 1614 Recirculation Door Control