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Heater/AC fan speed has high only

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Old 04-08-2011, 04:02 AM   #1
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Default Heater/AC fan speed has high only

My '97 F150 has lost all the fan speeds except high. What has happened? One of my buddies thinks that I've lost a resistor bank which steps down the voltage for the lower speeds. Is he correct? If so, where can I locate this part under the hood. Do I need any special tools or tricks to replace the necessary parts?
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Old 04-08-2011, 10:13 AM   #2
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It's under the dash behind the glove compartment. Resistor pack is about 12 bucks from Ford IIRC. No special tools needed to replace.
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Old 04-08-2011, 10:15 AM   #3
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Here ya go

http://www.f150online.com/forums/art...igh-speed.html
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Old 08-20-2011, 07:51 PM   #4
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Thanks I checked the forums last night and found some helpful information. I have been dealing with high only on the blower moter for heat and air. Who knew $21 could have fixed the problem all along?! Thanks ya'll
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Old 08-20-2011, 09:22 PM   #5
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yup the resisitor
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