the heater switch in my 2003 buick has gone awol i can repair it but the parts cost toomuch the blower motor is ok im wondering if i can wire the motor to an accessory line add an on and off switch and use it like that its a quick fix but will it work theres plenty of heat coming from the vents when im driving now winters coming and I NEED HEAT ill worry about a/c next spring any help would be great thanks