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New Blower motor stopped 200 1985

posted by  Shaughnessy on  Thu Jan 17 12:56 CST 2008
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last visit: Fri Oct 3 23:53 CST 2014
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I successfully installed a blower motor about a month ago, and now on the way to work it decided to stop with no warning.

There was no smell from a motor being fried (I know that smell all too well), nor was there any sounds or any other signs suggesting why it was about to stop.

I personally hope it's a grounding issue, but I can't understand why.

Thankfully, the residual heat from the heater pumps out a fair amount of heat w/out the fan going...cept when I stop.

Anyone have any ideas?

dan








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New Blower motor stopped 200 1985

posted by  Shaughnessy on  Fri Jan 18 12:46 CST 2008
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last visit: Fri Oct 3 23:53 CST 2014
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the fuse was fine. :(








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New Blower motor stopped 200 1985

posted by  dnastrau on  Thu Jan 17 17:09 CST 2008
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last visit: Mon Dec 5 19:39 CST 2011
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If the fuse is OK, I'd check the wiring, the resistor (probably not easy on a 240) and the switch. If the motor will run on high speed only it is usually the resistor, though it sounds like yours won't run at all.

Andrew S.

'91 744








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New Blower motor stopped 200 1985

posted by  Shaughnessy on  Thu Jan 17 17:32 CST 2008
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last visit: Fri Oct 3 23:53 CST 2014
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the resistor and switch are new.








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New Blower motor stopped 200 1985

posted by  Shaughnessy on  Thu Jan 17 17:30 CST 2008
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last visit: Fri Oct 3 23:53 CST 2014
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The resistor and switch are both brand new from IPD.








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New Blower motor stopped 200 1985

uid 15053's pic
posted by  Dylan Berichon on  Thu Jan 17 14:15 CST 2008
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last visit: Thu Oct 23 17:22 CST 2014
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Probably a bad fuse.

In my '80 and '79, I think the fuse for the heater fan is Fuse #4. That might be different in your '85. It is a 16a (red) fuse.

Pull the fuse and have a look at it. I'll bet you'll find the fuse is partly melted, especially if you haven't replaced it since you replaced your old motor (the old motor likely pulled a lot of resistance through that fuse since the motor was wearing out, enough to melt it.)
--
Formerly 'HearToTemptYou'







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