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Keep bowing heater blower fuse when try to replace it blower just stop working

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Have you tested your fan speed switch not the one in the dash this one is in your heater box or under hood on in fire wall one plug goes to it good place to start!!!!!

Posted on Jan 08, 2009

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No elctirc to replaced heater blower


blown fuse..burnt up resistor block..bad ground..

Dec 30, 2013 | Cars & Trucks

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Heater fan not working - 30 amp HVAC fuse blows out repeatedly when replaced. Where should I look for root cause? Have dash disassembled, but can't see any bare wires anywhere behind radio/climate...


Try unplugging the blower motor, heater control unit and blower motor resistor. Replace the fuse then reconnect the items 1 by 1 and see what pops the fuse.

Oct 19, 2013 | 1997 Pontiac Grand Prix

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1996 mitsubishi eclipse keeps blow the heater 10amp fuse why


could be the fuse or the actual heater blower system an the only way to acces the system is by removing your dash i would start by replacing the fuse then going from their

Sep 20, 2012 | Mitsubishi Eclipse Cars & Trucks

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Heater stays on when vehicle is turned off. Stays on when I remove the fuse also. Drained my battery while I was at work.


PULLING THE BLOWER MOTOR FUSE SHOULD MAKE THE BLOWER STOP. HOWEVER, THERE IS ALSO AN AC/HEATER FUSE THAT CAN KEEP THE MOTOR RUNNING. { IN FUSEBOX ON LOWER LEFT SIDE OF DASH }

Jan 18, 2011 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

The blower motor stopped working, so I replaced the 30A heater fuse which was blown. Tried the blower again, and the fuse blows within a minute. Now when I try to replace the fuse with the battery...


disconnect the blower motor. if the fuse is ok then, the blower motor is bad. if the coolant leak is on the passenger floor, you may have a heater core leaking, although you may also smell a sweet odor from it.

Dec 20, 2010 | 1994 Ford Escort

1 Answer

Heater fan works for a while then cuts off till it cools down




What can go wrong with a blower motor?
There are several things that may cause your blower motor to stop working. The simplest cause would be a blown fuse. If you replace the fuse and it quickly blows again, then you probably have an electrical short. Disconnected wires on the exterior of the blower motor can also cause it stop working, and if your blower motor gets dirty, it can get clogged or muddy which keeps the fan blades from spinning.

How do I test my blower motor?
When you are troubleshooting your blower motor, it is best to start by running the air conditioning or the heater to see if you can hear the sound of the fan. If you can hear the fan, it could be clogged or corroded with dirt. If you do not hear the fan, then you may have a bad resistor, blown fuse, or a loose wire. Next, you should replace any blown fuses in your car's fuse panel and try to start the blower motor again. If another fuse blows right away, you have an electrical short. If it doesn't blow out and the motor is still silent, then something else is wrong. In the case where the fuse lasts for a little while as the fan spins but then the fuse blows again, that usually means you need to replace the brushes on the motor. Finally, you can pull the motor out and visually inspect it for loose wires. If you don't see any and still want to test, try hooking it up to the battery to see if the motor will start. If all these tests still find you with a dead blower motor, it's definitely time to replace it.

How do I replace it?
Usually located under your vehicle's instrument panel, the blower motor can be removed and replaced. You'll need to disconnect the blower motor connector and remove the retaining screws holding it into place. Detach the fan retainer clip from the motor shaft that's located in the center of the blower wheel. You may need to save that piece if you are not replacing the whole motor. Inspect your new motor to ensure nothing is broken and the blades can properly spin. Re-attach the fan retainer clip, the retaining screws, and the connector so you can test your new blower motor out.

Dec 13, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

The heater switch stopped working - could this be a fuse or is the unit replaceable?


Yes, check the fuse first. Make sure that none of the blower speeds work, a common failure is heater blower resistors that cause one or more speeds to stop working.
Next, it is just as likely or more that the blower motor itself has failed or is stuck.

Jan 10, 2010 | 1999 Oldsmobile Intrigue

1 Answer

I try to kick my four wheel drive in but the light just flashes and my heater stops blowing


check 4WD fuse also fuse and relay to heater blower.if all is good remove and hotwire blower motor using jumper wires to battery.if blower motor dont work replace it.if it work you have a faulty blower switch or resistor bad.

Dec 29, 2009 | 1997 Chevrolet K1500

1 Answer

1997 dodge intrepid heater/ac fuse keeps blowing


I have a 96 Intrepid, and none of the signal lights work. I tried replacing the fuse, but this did not remedy the problem. Could this be a loose connection?

Feb 11, 2009 | 1997 Dodge Intrepid

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