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HVAC Control Module Connector End View C1

Fig 1: HVAC Control Module C1 Connector End View
GM744295Courtesy of GENERAL MOTORS CORP.
HVAC Control Module C1 Connector Part Information

Connector Part Information 
  • OEM: 12084994
  • Service: 12084944
  • Description: 16-Way F Micro-Pack 100 Series (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
HVAC Control Module C1 Connector End View

Pin Wire Color Circuit No. Function
A1 OG 640 Battery Positive Voltage
A2 BN 241 Ignition 3 Voltage
A3 BN 9 Park Lamp Supply Voltage
A4 WH 193 Rear Defog Relay Control
A5 TN/BK 2274 Recirculation Door Control
A6 D-GN/WH 762 A/C Request Signal
A7 TN 2273 Mode Door Control
A8 D-BU 1199 Air Temperature Door Control (C60)
A8 D-BU 1199 Left Air Temperature Door Control (CJ3)
B1 BK 150 Ground
B2 BK 552 Low Reference
B3 WH 2622 Evaporator Temperature Sensor Signal
B4 GY 8 Instrument Panel Lamp Supply Voltage
B5 D-GN 71 Off Blower Motor Control
B6 WH/BK 1236 Right Air Temperature Door Control
B7-B8 - - Not Used
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