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HVAC Control Module X2

Fig 1: HVAC Control Module X2 Connector End View
GM744295Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2

Pin Wire Circuit Function
A1 0.35 WH 193 Rear Defog Relay Control
A2 0.35 BN 1244 Instrument Panel Lamps Dimming Control
A3 0.35 L-GN 5962 Inside Air Temperature Sensor Blower Control
A4-A6 - - Not Used
A7 0.35 PK 639 Ignition 1 Voltage
A8 0.5 RD/WH 1240 Battery Positive Voltage
B1 0.35 GY/BK 1458 Instrument Panel Lamp Supply Voltage 4
B2 0.35 GY/BK 1357 Instrument Panel Lamp Control
B3 0.35 GY/BK 754 Blower Motor Speed Control
B4 0.35 PK/BK 1503 HVAC Heated/Cool Seat Mode Signal
B5 0.35 PK 1501 HVAC Heated/Cool Seat Mode Signal
B6-B8 - - Not Used
Connector Part Information 
  • OEM: 12084944
  • Service: 12084944
  • Description: 16-Way F Micro-Pack 100 Series (BK)
Terminal Part Information 
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
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