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HVAC Control Module C2

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module C2 Connector End View
GM1644506Courtesy of GENERAL MOTORS CORP.
HVAC Control Module C2 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 15480081
  • Service: 88988315
  • Description: 8-Way F Micro-Pack 64 (BK)
Terminal Part Information 
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
HVAC Control Module C2 Terminal Identification

Pin Wire Color Circuit No. Function
A1 PK 339 Ignition 1 Voltage
A2 GY 8 Instrument Panel Lamp Supply Voltage
A3 - - Not Used
A4 RD/WH 1540 Battery Positive Voltage
A5 BK 550 Ground
A6 L-GN 66 A/C Request Signal (C67)
A7 WH 193 Rear Defog Relay Control
A8 L-BU 292 Rear Defog Switch Signal
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