Question What's Wrong with my Blower Motor - F-Series & SuperDuty Diesel Forums

diesel4camping · 12-19-2010, 04:09 PM

Hey guys, this may sound kinda stupid, but my blower motor seems to be acting up. About a week ago my blower motor started to loose power, slowed down in rpms no matter the speed set, whenever I would turn the steering wheel to the right. That same evening I pulled into a store parking lot, shut it all down and when I came out it wouldn't come on, then as I exited the parking lot, I hit a small bump and it kicked on.

I haven't lost complete power since then, but it still slows down anytime I turn the steering wheel to the right.

By the way, it doesn't matter whether it is on cool or heat.

I also plugged in my code reader and got nothing back.

Any help would be appreciated. I'm stumped.

bigrigr · 12-19-2010, 09:00 PM

That is a good one, My first thought would be a burned out blower moter resistor. I've seen some w/the resistor windings burned through but still touching occasionally. Might fit with the changing over bumps. But the turning of the steering wheel is a mystery....... Maybe some wiring rubbing under the dash? Rubbing the steering shaft?

JLDickmon · 12-19-2010, 09:29 PM

Quote:

Originally Posted by bigrigr

That is a good one, My first thought would be a burned out blower moter resistor. I've seen some w/the resistor windings burned through but still touching occasionally. Might fit with the changing over bumps. But the turning of the steering wheel is a mystery....... Maybe some wiring rubbing under the dash? Rubbing the steering shaft?

I'd go burnt wiring connection..
pull the resistor & start there, both the connections are right in the same area..

WD40 · 12-19-2010, 11:49 PM

I would also check for a weak or lose ground.
Doug

Zmann ARGH · 12-20-2010, 03:30 PM

what year etc

diesel4camping · 12-20-2010, 05:10 PM

Thanks for the replies guys.

It is a 1999 F350 Crew Cab SRW.

BIG JOE · 12-20-2010, 06:57 PM

Quote:

Originally Posted by WD40

I would also check for a weak or lose ground.
Doug

And along with that.. Check all the multi-pin connectors, under the hood and under the dash.. that have to do with your Heat & AC controls. The ones under the hood are known to get corroded over time..with the blower on high, a good wiggle test, will sometimes indicate the one(s) that need cleaning ?

Also.. The Blower Motors just git tired.. they're not the pricey.. and easy to R&R.

Joe

WD40 · 12-20-2010, 08:53 PM

This is the price I found on Ford Parts, good luck
Blower motor
99-07 $130.38 $69.11

diesel4camping · 12-20-2010, 09:57 PM

I went out earlier this evening and was getting ready to replace the resistor, wiggled some wires and got in the truck to see if I had removed the correct plug and guess what? The blower was working just fine with the plug I had undone disconnected.

So, I guess I didn't have the correct plug unplugged from what I thought was the resistor.

Put all back together and will try and trouble shoot during daylight hours.

Anyone have a pic of the resistor and its location. I used a pic and description from another thread, but that wasn't the correct plug. Didn't even resemble the one I bought.

Would having the blower resistor disconnected still allow the blower to function. I wouldn't think so, but it is me, and anything that shouldn't does and vise versa.

Thanks again for all the input so far.

JLDickmon · 12-21-2010, 05:56 AM

Quote:

Originally Posted by diesel4camping

Would having the blower resistor disconnected still allow the blower to function. I wouldn't think so, but it is me, and anything that shouldn't does and vise versa.

Thanks again for all the input so far.

it's going to have high only

12-19-2010, 04:09 PM	#1
diesel4camping SDD Junior Member Join Date: Apr 2008 Location: Huntington, WV Posts: 28 Thanks: 7 Thanked 0 Times in 0 Posts	What's Wrong with my Blower Motor Hey guys, this may sound kinda stupid, but my blower motor seems to be acting up. About a week ago my blower motor started to loose power, slowed down in rpms no matter the speed set, whenever I would turn the steering wheel to the right. That same evening I pulled into a store parking lot, shut it all down and when I came out it wouldn't come on, then as I exited the parking lot, I hit a small bump and it kicked on. I haven't lost complete power since then, but it still slows down anytime I turn the steering wheel to the right. By the way, it doesn't matter whether it is on cool or heat. I also plugged in my code reader and got nothing back. Any help would be appreciated. I'm stumped.

12-19-2010, 09:00 PM	#2
bigrigr Real trks hv 3 pdls Join Date: Dec 2008 Location: provo, utah Posts: 365 Thanks: 0 Thanked 26 Times in 25 Posts	That is a good one, My first thought would be a burned out blower moter resistor. I've seen some w/the resistor windings burned through but still touching occasionally. Might fit with the changing over bumps. But the turning of the steering wheel is a mystery....... Maybe some wiring rubbing under the dash? Rubbing the steering shaft? __________________ 2000 F350 cc sb srw 6 spd,edge juice w/attitude, 2" leveling kit, zoodad mod,us gear exhaust brake, 315/75/16 muds, DIY Tymar, Aih Delete, Foil delete, fpr shimmed to 70 psi,

12-19-2010, 11:49 PM	#4
WD40 SDD Senior Member Join Date: Aug 2005 Location: Benton Arkansas & McAllen Posts: 2,759 Thanks: 57 Thanked 111 Times in 107 Posts View Photos By: WD40	I would also check for a weak or lose ground. Doug __________________ 2006 Ford F-350 Crew Cab Lariat 4X2 PSD 6.0 TorqShift Automatic Transmission, MAG-HYTEC DIFF COVERS Bama ZooDad If you think the 6.0 is bad.....Get a 6.4 2004 35 ft Hitch Hiker 16589 EW. Doug Is it time to go camping yet?

12-20-2010, 03:30 PM	#5
Zmann ARGH SDD Senior Member Join Date: Nov 2009 Location: AZ Posts: 525 Thanks: 5 Thanked 35 Times in 34 Posts	what year etc __________________ O6 King Ranch cc sb 4 inch lift ,35 Pro Comp, 18" Helo’s ,Edge Insight CTS guage only , Auber EGT , 08 center console ,2x10 subs, xm satellite ,coolant filter,RSX 9000 shocks,dual Bilstein steering stabilizers , Air bags and remote ,Viper alarm , remote toolbox popper, High Idle mod , up fitters added ,weather guard mats , ARP's, BPD EGR cooler, Marinco Mod ,Zoodad Fabtech traction bars, SCT with Matt's tunes

12-20-2010, 08:53 PM	#8
WD40 SDD Senior Member Join Date: Aug 2005 Location: Benton Arkansas & McAllen Posts: 2,759 Thanks: 57 Thanked 111 Times in 107 Posts View Photos By: WD40	This is the price I found on Ford Parts, good luck Blower motor 99-07 $130.38 $69.11 __________________ 2006 Ford F-350 Crew Cab Lariat 4X2 PSD 6.0 TorqShift Automatic Transmission, MAG-HYTEC DIFF COVERS Bama ZooDad If you think the 6.0 is bad.....Get a 6.4 2004 35 ft Hitch Hiker 16589 EW. Doug Is it time to go camping yet?

12-20-2010, 05:10 PM	#6
diesel4camping SDD Junior Member Join Date: Apr 2008 Location: Huntington, WV Posts: 28 Thanks: 7 Thanked 0 Times in 0 Posts	Thanks for the replies guys. It is a 1999 F350 Crew Cab SRW.

12-20-2010, 09:57 PM	#9
diesel4camping SDD Junior Member Join Date: Apr 2008 Location: Huntington, WV Posts: 28 Thanks: 7 Thanked 0 Times in 0 Posts	I went out earlier this evening and was getting ready to replace the resistor, wiggled some wires and got in the truck to see if I had removed the correct plug and guess what? The blower was working just fine with the plug I had undone disconnected. So, I guess I didn't have the correct plug unplugged from what I thought was the resistor. Put all back together and will try and trouble shoot during daylight hours. Anyone have a pic of the resistor and its location. I used a pic and description from another thread, but that wasn't the correct plug. Didn't even resemble the one I bought. Would having the blower resistor disconnected still allow the blower to function. I wouldn't think so, but it is me, and anything that shouldn't does and vise versa. Thanks again for all the input so far. __________________ 1999 F350 Crew Cab SRW 4x4 Manual Last edited by diesel4camping; 12-20-2010 at 11:20 PM. Reason: added to a sentence

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