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HVAC Control Module X3

Fig 1: HVAC Control Module X3 Connector End View
GM73152Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X3

Pin Wire Circuit Function
A1 0.35 D-BU/WH 1199 Left Air Temperature Door Control A
A2 0.35 WH/BK 1236 Right Air Temperature Door Control A
A3 0.35 L-GN/BK 1647 Recirculation Door Control A
A4 0.35 TN 2273 Mode Door Control A
A5 0.35 BN 718 Low Reference
A6 0.35 TN 518 Lower Left Air Temperature Sensor Signal
A7 0.35 GY 720 Low Reference
A8 0.35 TN/BK 520 Lower Right Air Temperature Sensor Signal
B1 0.35 YE 1791 Left Air Temperature Door Control B
B2 0.35 D-BU 1646 Right Air Temperature Door Control B
B3 0.35 PK/WH 1648 Recirculation Door Control B
B4 0.35 L-GN 2275 Mode Door Control B
B5-B8 - - Not Used
Connector Part Information 
  • OEM: 12084945
  • Service: 12084945
  • Description: 16-Way F Micro-Pack 100 Series (GY)
Terminal Part Information 
  • Terminal/Tray: 12146647/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
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