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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (HVAC System - Automatic) >> Repair Instructions >> Air Conditioning Wiring Harness Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Floor Front Air Outlet Duct
    GM4290914Courtesy of GENERAL MOTORS COMPANY
  1. Remove Floor Front Air Outlet Duct - Left Side (2)Floor Front Air Outlet Duct Replacement - Left Side
  2. Fig 2: Instrument Panel Assembly
    GM4375248Courtesy of GENERAL MOTORS COMPANY
  3. Remove Instrument Panel Assembly (1)Instrument Panel Assembly Replacement (IO5/IO6)Instrument Panel Assembly Replacement (IOB)
  4. Fig 3: Evaporator Air Temperature Sensor Electrical Connector And Two Valve Actuator Electrical Connectors
    GM4329277Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The instrument panel tie bar is not shown for a better view of the air conditioning wiring harness connections.

  5. Note the routing of the air conditioning wiring harness.
  6. Disconnect the two duct air temperature sensor electrical connectors (1).
  7. Disconnect the two valve actuator electrical connectors (2).
  8. Disconnect the evaporator air temperature sensor electrical connector (3).
  9. Disconnect the three air conditioning wiring harness electrical connectors (4).
  10. Detach the air conditioning wiring harness from the heater and air conditioning evaporator and blower module, indicated by the arrows.
  11. Fig 4: X206 Connector And Air Conditioning Wiring Harness
    GM4406013Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Note the X206 circuit connector cavity location prior to the removal of the terminals.

  12. Remove the terminals from X206 (1) and remove the air conditioning wiring harness out from behind the tie bar. Terminal Removal
  13. Fig 5: Two Actuator Electrical Connectors And Two Duct Air Temperature Sensor Electrical Connectors
    GM4329165Courtesy of GENERAL MOTORS COMPANY
  14. Disconnect the two valve actuator electrical connectors (1).
  15. Disconnect the two duct air temperature sensor electrical connectors (2).
  16. Detach the air conditioning wiring harness from the heater and air conditioning evaporator and blower module, indicated by the arrows.
  17. Fig 6: Air Conditioning Wiring Harness
    GM4375675Courtesy of GENERAL MOTORS COMPANY
  18. Remove Air Conditioning Wiring Harness (1)