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post #1 of 4 (permalink) Old 07-13-09, 07:05 PM Thread Starter
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confused Blower Motor Problems?

I have a 1991 Ford Thunderbird 3.8, the problems with the blower motor for the heater will only run on the first speed and sometimes on the second speed when I try the third speed it will quit..Then the blower will not work at all until the car is turned off and started again. Now I did check the fuse in the fuse box and under the hood they are fine.. I even changed the fuse (30 AMP) and it still is acting up.. Now I did have the blower motor changed about 5 months ago.. Could this be the heater relay that controls the speed of the fan? If so where would the fan relay be located?

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post #2 of 4 (permalink) Old 07-13-09, 07:27 PM
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Re: Blower Motor Problems?

It is most likely the blower motor resistor based on your description. It is mounted on the heater case near the blower motor. I cannot remember its' exact location. Check under the dash on the right side first then in the same area on the firewall in the engine bay.

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post #3 of 4 (permalink) Old 07-13-09, 07:40 PM Thread Starter
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Re: Blower Motor Problems?

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Originally Posted by fixitnowlt View Post
It is most likely the blower motor resistor based on your description. It is mounted on the heater case near the blower motor. I cannot remember its' exact location. Check under the dash on the right side first then in the same area on the firewall in the engine bay.
I guess you can order this and replace it? Thanks for the info I will look tomorrow!
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post #4 of 4 (permalink) Old 07-13-09, 08:21 PM
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Re: Blower Motor Problems?

This may help:

MOTORCRAFT® FULL LINE CATALOG OF PARTS FOR FORD, LINCOLN OR MERCURY VEHICLES

Search the Category of Small Electric Motors and the Group Heater Valves, Heater Cores & Blowers
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File Type: jpg blower_resistor.jpg (37.7 KB, 5 views)

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