Blower motor resistor replacement - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 8 (permalink) Old 11-03-2009, 02:09 PM Thread Starter
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Blower motor resistor replacement

Anybody had to replace their blower motor resistor? How hard is it? Does the dash need to come out? I only have two fan speeds right now, #1 is nothing, #2 and #3 give you the same speed, and #4 is still high. Replaced the switch, that didn't fix it, looks like its the resistor...

Zach
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post #2 of 8 (permalink) Old 11-03-2009, 02:35 PM
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Just did mine. Look at the blower motor under the hood. Right next to it you'll see a some wires plugged into a connector thats bolted to the hvac box. Thats what you want to replace i think it has 2 8mm bolts. Just pulles right out. About a 10 min. Job.

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post #3 of 8 (permalink) Old 11-03-2009, 03:10 PM Thread Starter
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Seriously? That's it??? My parts guy made it sound like it was under the dash... I've been putting this off forever cause of that. So did this fix your problems? Same symptoms as me?

Zach
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post #4 of 8 (permalink) Old 11-03-2009, 04:56 PM
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Yea its usually always the resistor. I bet i replace resistors 10 to 1 to switches.

Alex

03 f250 FX4 55,000 miles
-stock
99 F-350 4x4 CC LB 250,000 miles
-leveled w/ 315-75-16's
-4'' dp to 5'' stack
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post #5 of 8 (permalink) Old 11-03-2009, 09:24 PM Thread Starter
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Quote:
Originally Posted by Stroked383 View Post
Yea its usually always the resistor. I bet i replace resistors 10 to 1 to switches.

Alex
Yeah, that's what he told me too, but the switch was like $10 vs like $45 for the resistor, and I thought the resistor was under the dash...

Zach
2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
5" Sewer Pipe Exhaust (video clip), DIY 6637 Intake, Wicked Wheel'd, De-foiled, Missing EBPV, Edge Juice with Attitude, X Code Springs, 33" BFGs (SUCK), Alpine W200, Pioneer "D" Series Kevlar 6x8"s, Sirius Satellite Radio, 12" Memphis Pro Audio Subwoofer.
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post #6 of 8 (permalink) Old 11-03-2009, 11:40 PM
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resister is under hood. seems to me the resister was less than 20 from ford

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post #7 of 8 (permalink) Old 11-04-2009, 02:10 AM
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They work or they don't on the resistor, just need cleaned every 5 years or so - they pickup fuzz from the air that causes overheating.

keydl

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post #8 of 8 (permalink) Old 11-13-2009, 10:00 PM Thread Starter
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Finally got around to replacing the resistor. Part was $12.99 after tax and with my discount. Replacing it was a bit of a pain... It's in a stupid spot. Use an end wrench with the ratchet built in... 5/16". My electrical connector basically fell apart when I pulled it out, so I had to cut it off and make a new one. 20 mins total.

Zach
2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
5" Sewer Pipe Exhaust (video clip), DIY 6637 Intake, Wicked Wheel'd, De-foiled, Missing EBPV, Edge Juice with Attitude, X Code Springs, 33" BFGs (SUCK), Alpine W200, Pioneer "D" Series Kevlar 6x8"s, Sirius Satellite Radio, 12" Memphis Pro Audio Subwoofer.
20x10 Mickey Thompson Classic IIs, waiting on tires


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