GMC 23412312 Motor Assembly, Blower

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Start with unplugging the negative cable from the battery to remove the front blower motor. Next, pull down on the panel to release it from its clips. Disconnect the electrical connector and lower motor screws to bring down the fan motor. To reinstall, do everything in reverse order. To get rid of rear auxiliary blower motor, you should remove right quarter trim panels located at the rear side of a vehicle to access a rear HVAC unit. Disconnect electrical connectors and remove retaining screws pulling out motors from cases. Reinstall by doing everything backward To remove front blower motor control module start by disconnecting cable from negative battery terminal; then, unscrew trim panel under instrument panel on passenger's side and lower it; using either screwdriver or pick as module retainer and unplug control module harness connector; take control module off blower housing. Installation is opposite of removal. For removing rear auxiliary blower motor module, take out right rear quarter trim panel and unplug control module harness connector; detach module mounting screws and separate them from blowers housing; just assemble reverse of disassemblement.