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HVAC Connector End Views

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
A/C Compressor Clutch Terminal Identification

GM684852Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162017
  • 2-Way F Metri-Pack 150 Series (GRY)
Pin Wire Color Circuit No. Function
A DK GRN 59 A/C Compressor Clutch Supply Voltage
B BLK 150 Ground
A/C Refrigerant Pressure Sensor Terminal Identification

GM258299Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12065286
  • 3-Way F Metri-Pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A BLK 407 Low Reference
B GRY 474 5 Volt Reference
C RED/BLK 380 A/C Refrigerant Pressure Sensor Signal
Air Temperature Sensor Terminal Identification - Inside

GM82383Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12047662
  • 2-Way F Metri-Pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A DK GRN 734 Inside Air Temperature Sensor Signal
B GRY/BLK 1798 Ground
Air Temperature Actuator Terminal Identification - Left

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BLK)
Pin Wire Color Circuit No. Function
5 BRN 41 Ignition 3 Voltage
6 DK BLU 1199 Air Temperature Door Control
7 GRY/BLK 1798 Ground
8 - - Not Used
9 LT BLU 733 Air Temperature Door Position Signal
10 YEL 1791 5 Volt Reference
Air Temperature Actuator Terminal Identification - Right

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BLK)
Pin Wire Color Circuit No. Function
5 BRN 41 Ignition 3 Voltage
6 WHT/BLK 1236 Air Temperature Door Control-Auxiliary
7 GRY/BLK 1798 Ground
8 - - Not Used
9 DK BLU 1646 Air Temperature Door Position Signal-Auxiliary
10 YEL 1791 5 Volt Reference
Ambient Air Temperature Sensor Terminal Identification

GM635009Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052635
  • 2-Way F Metri-Pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A LT GRN/BLK 735 Outside Air Temperature Sensor Signal
B GRY/BLK 1798 Ground
Blower Motor Terminal Identification

GM62488Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12084957
  • 2-Way F Metri-Pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
A PPL - Blower Motor Supply Voltage
B BLK - Blower Motor Speed Control
Blower Motor Control Processor Terminal Identification

GM697053Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129566
  • 4-Way F Metri-Pack 280 Series (GRY)
Pin Wire Color Circuit No. Function
A BLK 150 Ground
B RED 1342 Battery Positive Voltage
C TAN 63 Blower Motor Speed Control
D - - Not Used
HVAC Control Module Terminal Identification

GM524759Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12045470
  • 32-Way F Micro-Pack 100 Series (NAT)
Pin Wire Color Circuit No. Function
C1 BLK 150 Ground
C2 LT BLU/BLK 590 Driver Solar Sensor Signal
C3 DK BLU 1646 Air Temperature Door Position Signal-Auxiliary
C4 - - Not Used
C5 BRN 41 Ignition 3 Voltage
C6 WHT/BLK 1236 Air Temperature Door Control-Auxiliary
C7 DK BLU 1199 Air Temperature Door Control
C8 LT BLU 733 Air Temperature Door Position Signal
C9 - - Not Used
C10 YEL 1791 5 Volt Reference
C11 TAN 63 Blower Motor Speed Control
C12 ORN 540 Battery Positive Voltage
C13-C15 - - Not Used
C16 YEL 390 Instrument Panel Lamp Supply Voltage - 3
D1 GRY/BLK 1798 Ground
D2 DK GRN 734 Inside Air Temperature Sensor Signal
D3 LT GRN/BLK 735 Outside Air Temperature Sensor Signal
D4-D7 - - Not Used
D8 DK GRN 1394 Recirculation Mode Valve Solenoid Control
D9 LT GRN 66 Mix-Blend Mode Valve Solenoid Control
D10 PPL 1397 Lower Mode Valve Solenoid Control
D11 LT GRN 1395 Upper Mode Valve Solenoid Control
D12 WHT 1038 HVAC Class 2 Serial Data
D13 PNK 1396 Defrost Mode Valve Solenoid Control
D14-D16 - - Not Used
Sunload Sensor Terminal Identification

GM154336Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12048457
  • 2-Way M Metri-Pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A LT BLU/BLK 590 Driver Solar Sensor Signal
B GRY/BLK 1798 Ground
Vacuum Control Assembly Terminal Identification

GM40427Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12064978
  • 6-Way F Micro-Pack 100 Series (GRY)
Pin Wire Color Circuit No. Function
1 LT GRN 1395 Upper Mode Valve Solenoid Control
2 PPL 1397 Lower Mode Valve Solenoid Control
3 LT GRN 66 Mix-Blend Mode Valve Solenoid Control
4 DK GRN 1394 Recirculation Mode Valve Solenoid Control
5 PNK 1396 Defrost Mode Valve Solenoid Control
6 BRN 41 Ignition 3 Voltage