Question about 2005 Ford Freestar

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Ac/blower motor short in wire

Was told i have a shorted wire in my 05 freestar that is causing my blower not to work checked everything else how do i find this wire and fix it ?

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THIS is really something I cant tell you where it is. just need to trce back the wires from the blower motor and see if you see damage to the harness. starting with basics,check for power and ground at blower motor. then check power at blower resistor. coming in and going out.just have to keep checking wire till find bad spot shorted means it is ggrounding out with another wire or has rubbed on the body somewhere

Posted on Dec 10, 2008

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Ac in my 95 s10 works, but sometimes it doesn't. I have to wait a few minutes and it will come on. I changed the resistor already.


Check the plug on the blower motor. Should only be one wire and a groind. Leave it runnin and jiggle the wire on the blower motor. Coild have a short. Also the ac compressor coild be goin out. Turn the ac on and watch the compressor and see if the clutch on the outside is spinning

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What CAUSES red wire to ac harness to overheat on a 1992 chevy Silverado 1500, what causes that problem??


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Blown fuses for the heater/ac, radio, cig lighter, and horn


Those four things should be on four different fuses.
As for the heater blower, I would unplug the blower motor to see if the short is in the motor. Someone will have to trace the circuits to find the short or shorts that are blowing the fuses. Could be something in the wiring harness that is touching bare metal.

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The fan isnt blowing so no heat no defrost etc..


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1 Answer

My blower motor resistor burned up I'n my 05


Are you putting the right amp fuse in place of that fuse was at ? If you have a fuse that is 5 amps smaller could produce this same problem so go make sure your manual says what amp fuse goes there first. This might solve the issue. Usually if the fuse keeps breaking inside of it means that there might be a short some where else.

May 24, 2011 | 2005 GMC Sierra Denali

2 Answers

Took blower motor out tested it its good , but when i hook everything up it doesnt work im thinking what ever sends the sig to the motor is bad ? nothing on the panel works ? what else could it be ?


if your talking about the ac/heat blower motor take the wire off test it with a volt meter.

if you have no power check the fuse panel if you have power there you have a short in a wire or a relay if it has one i had a blazer s-10 kept shorting out on high and sometimes in all speeds and the relay was shorting out at the wires the relay was good bend the wires or probe back a bit on the wires to see if voltage is there.

if your saying your panel also is not lighting up or no current there thats a fuse more than likely unless something shorted out behing the dash and wire is burnt maybe pinched or cut.

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1 Answer

AC/Heater blower motor quit working, not fuse or relay.


could be a short in the blower motor or the blower motor needs replaced. the blower motor should be on pass side fire wall its round. with the heater on high and on go pull on the wires leading to the motor ans see if it comes on they are known for shorting out.

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1 Answer

Blown Fuse


Hello Kilwillie.
Anytime a fuse blows the circuit is being overloaded.
There are a couple of fuses that control your blower. The 30 amp fuse link and a 10 amp fuse for the blower motor relay.
If it is the 30 amp the blower system needs to be checked for the cause of the short.
Positive battery voltage goes to the blower motor and the control switch routes the ground circuit through a resistor to give various fan speeds.
Most common will be the blower motor itself having worn motor shaft bushings or an internal motor short. This will require motor replacement. Also have seen where a mouse has built a nest and it gets caught in the blower fan causing it to overlooad.
If the wire after the blower was shorting to ground the blower would come on high speed and not be your problem

And if the fuse is the 10 amp it appears the fault may lie in the blower motor relay. I believe that would be the only logical solution according to the wiring diagram.

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1 Answer

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2 Answers

2003 Chevy Trailblazer my AC blower won't turn off!


you have a short to power which will cause it to stay on constantly check your blower motor resistor pack to ensure that it is working and check the wires going to the blower to make sure you have a power and a ground

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