GM 21996232
Fan Switch

Start by shutting down the engine while performing these steps: engage the parking brake and shift the transmission to its lowest gear position. Carefully remove the screw in the ashtray area before using your fingers to gently pull the right and left sides of the HVAC Control Module trim plate until it can be removed. After disconnecting the HVAC Control Module electrical connector along with the ash tray electrical connector you must remove the HVAC Control Module screws and take out the HVAC Control Module. Place the HVAC Control Module inside the trim plate before you install and tighten all HVAC Control Module screws to 2 n.m (18 lb in). After connecting the electrical connectors for hvac control as well as ash tray the operator should press down on the trim plate until the fixing tabs lock into position. Utilize the screw with 2 n.m (18 lb in) torque to attach it behind the ashtray until the transmission is in park then release the parking brake. The control module contains programming and setup documentation.

To fix the auxiliary (Front) blower motor switch use light pressure to pull down the front side of the overhead console until its fasteners come loose and remove it. The process begins by disconnecting the blower motor switch electric wire and dome lamp electric wires. Afterward, remove the screws to take out the blower motor switch from its position in the dome lamp housing. Secure the blower motor switch into the dome lamp housing then fasten its screws and tighten them to 1 n.m (9 lb in). First connect both the blower motor switch and dome lamp electrical connectors and then replace the overhead console.

To access the Auxiliary Blower Motor Switch (C57) you need to gently push downward on the front edge of your overhead console to release its mounting tabs before taking out the overhead panel . Remove the screws from the blower motor switch and disconnect its electrical connection before pulling the switch out of the dome lamp housing. Place the blower motor switch into the dome lamp housing and work according to the Fastener Notice during installation. Clamp the switch in place using the screws and turn them 1 N.m (9 lb in) before plugging in the blower motor switch connector and putting back the overhead console.

Disconnect the blower motor switch electrical connector and remove the screws securing the blower motor switch before taking the switch out of the dome lamp housing.

Reconnect the blower motor switch electrical connector and reinstall the overhead console.

Reconnect the electrical connector to the auxiliary blower motor switch and reinstall the center dome lamp assembly.

Place the auxiliary blower motor switch back into the dome lamp housing and secure it with the screws, tightening them to 1 N.m (9 lb in).

Gently pull downward at the front edge of the center dome lamp assembly to disengage the fasteners, then remove the center dome lamp assembly.

Reinstall the screw behind the ashtray, tightening it to 2 N.m (18 lb in), place the transmission in park, and release the parking brake.