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heater motor Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical buickproblems New User Dec 15, 2008, 7:50 AM Post #1 of 3 (1570 views) heater motor Sign In 93 Buick park Ave 3.8 V6 180,000 miles. Very cold here -5 F when problem started. Need a good place to start looking for answers. Heater blower fan motor will not shut off. Can shut car off (key switch, and remove key) Blower motor still runs. I unplugged the power wires to the blower motor so battery won't go dead ( this killed power to motor). Is it a relay or a short circuited wire???? Any help would be great!!! Thanks!!! Loren Champlain Sr Veteran / Moderator Dec 15, 2008, 5:41 PM Post #2 of 3 (1557 views) Re: heater motor Sign In Does the ignition switch 'feel' normal while turning to "on", "start", and back? Just had one today (1990) that turned out to be the ignition (electrical) switch. (not the key/tumbler) Funny, but it had the same symptom...blower motor would not turn off. Loren SW Washington Loren Champlain Sr Veteran / Moderator Dec 17, 2008, 4:45 PM Post #3 of 3 (1549 views) Re: heater motor Sign In Well, this is a bit embarrasing, but we mis-diagnosed that heater blower motor problem. It turned out to be the heater blower motor resistor. GM calls it a module. It's mounted just below the relay/fuse block that is on the firewall, and bolted into the heater box. Retails for $260.00. Loren SW Washington   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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