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E350 Blower motor not working

 
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Old 12-30-2004, 09:18 PM
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E350 Blower motor not working

Hello, what a great site! We have a 94 E350 that the blower motor quit on, so we found all the wiring diagrams we could muster, and checked the fuses all checked out OK, I see the fan switch gos through resisters to ground,we put a hot wire on + side of blower it worked great, can anyone tell us if thier is a blower relay,or fuseable link that might be open as we cant tell where power gos to, Dealer was no help just said bring it in with a pile of money, Thanks tinker52
 

Last edited by Tinker52; 12-30-2004 at 09:23 PM. Reason: new and not up to speed, bad title
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Old 12-30-2004, 10:12 PM
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Hi Tinker and welcome to the forum

I don't have a 94 manual here but I looked at a 96 (I think it's close enough) and it shows a blower motor relay under the hood in the front driver's side. It should have a Yellow wire to it that is hot at all times from a fuse in the underhood fuse box. Power goes out from the relay on the Orange with Red wire. The black wire to the relay is ground. The Yellow with Red wire comes from the function selector switch to turn the relay on.
 
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Old 12-31-2004, 04:57 PM
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Thanks Racerguy now I know what to look for, I wont be able to get to it until monday, keep you posted, Thanks Bob Tinker52
 
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Old 12-31-2004, 06:13 PM
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Let us know how it turned out. My dad's E350 also has the same problem.
 
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Old 01-02-2005, 07:12 PM
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Hello, Racerguy you were right on the money. we pulled the battery out and found 2 relays side by side, the one with color codes like you said was bad, went to Shucks and got a new one, works great, The power of the Internet Rules! Thanks again tinker52
 
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Old 01-02-2005, 07:24 PM
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Good to hear that you got it fixed
 
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Old 09-28-2018, 02:36 PM
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Hello, I apologize for raising an old thread but I figured it was better than starting a new one for a related question.

My 96 E350 has front and rear blowers, and neither is working... Do they both go through that same blower motor relay?
 

Last edited by WarrensE350; 09-28-2018 at 08:43 PM. Reason: Year was wrong
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Old 09-29-2018, 11:21 AM
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No, they have individual relays.

Check fuse F9 under the dash and verify it is passing power while the ignition switch is in RUN. It goes to your MODE switch and is supposed to pass power to energize both relays when the switch is in any position except OFF.
 
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Old 09-29-2018, 11:52 AM
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Great, thanks! Appreciate it, neighbor. (Foristell here).
 
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Old 10-02-2018, 10:24 AM
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So in case this helps someone someday, my issue wasn't the fuse or relays, or anything in the wiring for that matter. Turns out, the A/C Heater Control (my part number E1AH-190961-BA) managed to come apart. I guess that makes it behave electrically as if the entire unit is in the Off position, where nothing works. I cleaned it up, superglued it back together, and it's all working fine again now. I guess you learn something new every day. It's the unit that is controlled by the vent selector switch and also connected to the vacuum lines, looks like this:



Anyway, back in business now. Maybe someone will have a similar issue someday and this may help.
 
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Old 10-02-2018, 12:40 PM
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That would be what I called out as the "MODE switch". If it wasn't passing power from F9 to the relays, then that does indeed explain why it didn't work. First time I'd heard of one of those switches coming apart at the seams!.
 
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Old 10-02-2018, 01:12 PM
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Originally Posted by projectSHO89 View Post
First time I'd heard of one of those switches coming apart at the seams!.
I seem to run into a lot of things rarely or never seen, unfortunately.

For example... I just got the dash back together. They heater/AC controls work great, smoother than I've ever seen. Probably because I cleaned everything up and put in fresh grease. Anyway...

Now the turn signals don't work, neither by the stalk or the hazard button. I can't see if the high beams are coming on, but the high beam indicator light does not illuminate on the dash either. Where would these things tie together? I didn't mess with any of that, so I'm laughing at my luck again. They worked fine yesterday, of course.
 
 
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