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Intermittent HVAC blower 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 bobt New User Aug 28, 2008, 11:39 AM Post #1 of 3 (1760 views) Intermittent HVAC blower Sign In I have a 2000 Chevrolet Impala LS, 101,000 miles, 3.8 V-6. Since my last vehicle service, (about 1000 miles ago) at which time I also had the cabin filter replaced, I have had a problem with the blower motor coming on and shutting off. I recently noticed that when this happens, the overhead information center also goes black when the blower shuts down and comes on again when the blower starts. I have checked and replaced the indicated fuses located on both sides of the dash with no solution. I have also located some electrical components under the hood. Are these fuses or breakers that could be causing this problem? The switch seems to be good and works at all speeds when the blower is running. I am hoping this is something I could repair myself, but I don't have the diagnostic equipment or knowledge to analyze the problem, and I don't want to replace unneeded parts. Thanks for you help bobt New User Oct 24, 2008, 8:00 AM Post #2 of 3 (1699 views) Re: Intermittent HVAC blower Sign In My problem is fixed. After spending $500.00 ($250.00 for looking for the problem and vehicle rental) it turned out to be a faulty ignition switch. Tom Greenleaf Ultimate Carjunky / Moderator Oct 24, 2008, 8:17 AM Post #3 of 3 (1698 views) Re: Intermittent HVAC blower Sign In Hey - Thanks for reporting what the fix was in this case. Sorry it was so costly! T   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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