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Is F-150 Still King?
 
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  #1 (permalink)  
Old 05-21-2006, 02:56 PM
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F250FarmBoy F250FarmBoy is offline
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Blower Problem...

Hey guys,
The blower on my '89 F-250 only works when the selector is on the highest speed. Is it the actuall blower motor or is it an electrical problem? What do I do? Thanks.
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1985 F-350 6.9L 2x4
Flatbed, DRW, 4.10's, ZF-5 swap, buckets, push button GP's, 103k miles
1989 F-350 7.3L 4x4
Kingpin D.60, Srw, 4.10 l/s, push button GP's, ex-tree service truck, dumped utility bed for the bed off an '89 . Soon to get paint with the idea of yellow and black "boss 302" graphics....but it won't say "boss 302"
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Old 05-21-2006, 10:32 PM
87 XLT 87 XLT is offline
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Easy fix, the blower resistor is shot. About 20 bucks at Napa etc..

The resistor plugs into the plastic air duct with 4 or 5 wires attached.

Last edited by 87 XLT; 05-21-2006 at 10:36 PM.
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Old 05-22-2006, 06:55 AM
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F250FarmBoy F250FarmBoy is offline
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Would it be plugged in close to the registers or closer to the blower itself? If its close to the registers, which one? Thanks for the help so far.
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1985 F-350 6.9L 2x4
Flatbed, DRW, 4.10's, ZF-5 swap, buckets, push button GP's, 103k miles
1989 F-350 7.3L 4x4
Kingpin D.60, Srw, 4.10 l/s, push button GP's, ex-tree service truck, dumped utility bed for the bed off an '89 . Soon to get paint with the idea of yellow and black "boss 302" graphics....but it won't say "boss 302"
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Old 05-22-2006, 09:43 PM
87 XLT 87 XLT is offline
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On my 95 Taurus it's under the dash/passenger side behind the glove box.

On my 87 Ranger, it's under the hood/passenger side near blower motor.

Take a look around, should'nt be hard to find.
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Old 05-23-2006, 04:57 PM
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F250FarmBoy F250FarmBoy is offline
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I found it. How do I test it to see if it's bad?
Thanks.
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1985 F-350 6.9L 2x4
Flatbed, DRW, 4.10's, ZF-5 swap, buckets, push button GP's, 103k miles
1989 F-350 7.3L 4x4
Kingpin D.60, Srw, 4.10 l/s, push button GP's, ex-tree service truck, dumped utility bed for the bed off an '89 . Soon to get paint with the idea of yellow and black "boss 302" graphics....but it won't say "boss 302"
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Old 05-23-2006, 05:37 PM
87 XLT 87 XLT is offline
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If the plastic looks melted, it's definetly shot.

Autozone can probably test it for you.

Or if you have the wiring diagram, it's very simple to test with an ohm meter.
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Old 05-23-2006, 09:13 PM
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F250FarmBoy F250FarmBoy is offline
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Well, I know that Autozone doesn't sell the resistor, but maybe they do test it. They said it's probly a dealer item.
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1985 F-350 6.9L 2x4
Flatbed, DRW, 4.10's, ZF-5 swap, buckets, push button GP's, 103k miles
1989 F-350 7.3L 4x4
Kingpin D.60, Srw, 4.10 l/s, push button GP's, ex-tree service truck, dumped utility bed for the bed off an '89 . Soon to get paint with the idea of yellow and black "boss 302" graphics....but it won't say "boss 302"
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Old 05-23-2006, 11:42 PM
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Just replace it. 87XLT is right, 99.9% sure thing.
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Old 05-24-2006, 02:28 AM
87 XLT 87 XLT is offline
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Yep, thats what i'd do.
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Old 05-24-2006, 06:46 AM
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F250FarmBoy F250FarmBoy is offline
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O.k guys thanks for the input, I'll go get one tonight.
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1985 F-350 6.9L 2x4
Flatbed, DRW, 4.10's, ZF-5 swap, buckets, push button GP's, 103k miles
1989 F-350 7.3L 4x4
Kingpin D.60, Srw, 4.10 l/s, push button GP's, ex-tree service truck, dumped utility bed for the bed off an '89 . Soon to get paint with the idea of yellow and black "boss 302" graphics....but it won't say "boss 302"
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Old 12-11-2006, 12:29 AM
deepbass deepbass is offline
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i have the same problem for my 1995 ford bronco. Where can i locate this Blower motor resistor?
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Old 12-26-2006, 01:52 PM
great2c4me great2c4me is offline
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Deepbass, did you ever get that resistor problem fixed? and was that right next to the fan box on the pside firewall?
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Old 03-30-2007, 03:35 PM
leo doran leo doran is offline
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blower

i have the same problem with my 2002 ranger blower only works on high .wondering where the resister is located
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Old 03-30-2007, 06:52 PM
bustech81 bustech81 is offline
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most all resisters are located on the heater box so that the air can keep the coils cool.
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