I have a 1996 3800. the blower motors for your defrost are located on opposite sides of your windshield along the blower vent holes for your windshield. you will probably catch sight of the driver side deep inside your switch panel up top, and on the door side it is definitely in the heater box. I know cause I replaced it. kind of a hoor to find the motor. I would go to international and pay top dollar...but I just frankensteined in a 12v fan. works good!!
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