Heater and Air Conditioning Control Wiring Harness Replacement

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Heater and Air Conditioning Control Wiring Harness Replacement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Remove the HVAC module. Refer to HVAC Module Assembly Replacement . Disconnect all the electrical connectors from components associated with the heater and A/C control wiring harness. Disconnect the evaporator temperature sensor from the control wiring harness. Remove wiring harness mounting clips from HVAC module.
1	Heater and A/C Control Wiring Harness. Procedure: Reprogramming of all HVAC actuators and control module associated with the heater and A/C control wiring harness may be necessary. Refer to Inflatable Restraint Sensing and Diagnostic Module Programming and Setup .

Callout

Component Name

Preliminary Procedure

Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
Disconnect all the electrical connectors from components associated with the heater and A/C control wiring harness.
Disconnect the evaporator temperature sensor from the control wiring harness.
Remove wiring harness mounting clips from HVAC module.

Heater and A/C Control Wiring Harness.
Procedure:
Reprogramming of all HVAC actuators and control module associated with the heater and A/C control wiring harness may be necessary. Refer to Inflatable Restraint Sensing and Diagnostic Module Programming and Setup .