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ac/heater Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum erving zeno New User Dec 25, 2014, 9:02 AM Post #1 of 3 (1937 views) ac/heater Sign In i have a 97 gmc suburbon my heater is not working i change the relay an the resister an all i get is a clicking in the relay dont have no blower or nothing working Tom Greenleaf Ultimate Carjunky / Moderator Dec 25, 2014, 9:18 AM Post #2 of 3 (1930 views) Re: ac/heater Sign In Will be trouble today for any parts if like most places. You probably have a blown heater motor drawing too much current. For the day test if you have tools and time that power is shutting down to it (likely) and since it's a high bet just the motor body a love tap with a hammer and it might snap to but means it's trouble even it that works, inconclusive if it doesn't change anything. Unplug power and if relay quits clicking it's almost certain motor is just shorted inside, T Hammer Time Ultimate Carjunky / Moderator Dec 25, 2014, 9:23 AM Post #3 of 3 (1927 views) Re: ac/heater Sign In You can try tapping on the motor as Tom suggests but if that doesn't work, then you need to test for power and ground at the motor to see which one is missing. It could still be receiving power as that is constant. The ground is the control side. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   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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