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Carol, By your description it sounds as if your blow motor controls may be faulty! I would have them checked to verify. This can be a simple relay.

⟩ Answered on Jan 29th, 2011 by Amanda J. Pierce, MBA "AJ", Certified Mechanic at BizzM3ch Solutions

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Hi Carol, The heater control itself usually causes this trouble. It is also possible the door that allows the heat to come in is broken. If there is not a lot of force (air) pushing on it, it does not open. WIth a lot of force, it does push through. Start by having the control unit checked. I believe this will be an easy repair. Mechanically yours, Audra www.womenAUTOknow.com

⟩ Answered on Jan 29th, 2011 by Audra Fordin, Owner at Great Bear Auto Shop

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It is probably a control module that has gone bad. You need to take it to a mechanc.

⟩ Answered on Jan 29th, 2011 by Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube

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Hello Carol, This problem may have two causes--the first--and most likely--is a failed resistor in the heater fan circuit. The other possible cause is a bad heater fan switch or wiring. Hope this helps--Super Girls Auto

⟩ Answered on Jan 29th, 2011 by Laurie Sarno, Co-Owner at Super Girls Auto

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Dear Carol, You need to replace your fan relay. This can be a fairly easy job if you know where it's located. Many times it's inside the vehicle on the front passenger side, but it varies from vehicle to vehicle. If you can get your hands on a repair manual for your vehicle this may be something you can do. Good luck. Lori Johnson www.ladiesstartyourengines.com

⟩ Answered on Jan 29th, 2011 by Lori Johnson, Owner and Instructor at Ladies Start Your Engines

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