Re: Heater Blower Resistor?

[Dave Krugler <dkrugler@xxxxxxx>]

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I suppose the blower speed switch could also be shorted to ground due to 
internal overheat and failure.  If you have access to a volt/ohm meter or 
even a test light you could check that fairly easily.  There should be no 
continuity between any terminal on the back of the blower speed switch and 
ground.  If you connect 1 side of a 12volt lamp to battery voltage in the 
car and remove the wir harness plug from back of the blower speed switch 
while still mounted in the instrument panel you could touch the other lead 
of the test light to one terminal at a time and see if the bulb lights.  If 
it does and you aren't otherwise touching ground the switch is shorted 
internally to ground.

> From: Derrick Brown <derrickb@xxxxxxx>
> Reply-To: 1962to1965mopars@xxxxxxxxxx
> To: 1962to1965mopars@xxxxxxxxxx
> Subject: Re: Heater Blower Resistor?
> Date: Fri, 13 May 2005 14:48:40 -0400
>
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>
> > Hi Dave,
>
> Thanks,  funny thing is switch runs blower blower  "slowest" on the  HIGH 
> setting (of the switch) and speeds up on low setting of the  switch.  if 
> you try to go to the off position on the switch, see ya,  the fuse blows.
>
> Yet now all positions seem to blow the fuse, im wondering if the  heater 
> control switch is the actual culprit?
>
> thanks again,
>
> > The usual thing that fail these is either high current load from a  bound 
> > up or shorted blower motor or locked rotor (motor locked up  by 
> > debris/bearing failure or whatever) which not only increases the  current 
> > draw but does not blow any cooling air across the resistor  coils.  If it 
> > is possible for an overheated resistor coil to sag  onto the metal case of 
> > the heater and make a circuit that could  cause fuses to blow.
> >
> >
> > > From: Derrick Brown <derrickb@xxxxxxx>
> > > Reply-To: 1962to1965mopars@xxxxxxxxxx
> > > To: 1962to1965mopars@xxxxxxxxxx
> > > Subject: Heater Blower Resistor?
> > > Date: Fri, 13 May 2005 09:18:43 -0400
> > >
> > > [AD removed for archives]
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> > >
> > > hi,
> > >
> > > has anyone ever had one of these go bad?
> > >
> > > i think it may be a source of blowing fuses to the heater blower  as I  
> > > increase the speed selector on the fan switch.
> > >
> > >
> > >
> > > if so, does anyone have one they know is good that they would sell?
> > >
> > > contact me offlist if you have one to sell.
> > >
> > > thanks
> > >
> > > Derrick
> > > derrickb@xxxxxxx
> > > '63 Sport Fury
> > >
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> > directly to that person.  I.e., send parts/car transactions and  
> > negotiations as well as other personal messages only to the  intended 
> > recipient, not to the Clubhouse public address. This  practice will 
> > protect your privacy, reduce the total volume of mail  and fine tune the 
> > content signal to Mopar topic.  Thanks!
> >
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> > http://www.1962to1965mopar.ornocar.org/mletiq.html. -- 
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> > This email was sent to: derrickb@xxxxxxx
> >
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>
> Derrick
> derrickb@xxxxxxx
> '63 Sport Fury
>
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> ----
> Please address private mail -- mail of interest to only one person -- 
> directly to that person.  I.e., send parts/car transactions and 
> negotiations as well as other personal messages only to the intended 
> recipient, not to the Clubhouse public address. This practice will protect 
> your privacy, reduce the total volume of mail and fine tune the content 
> signal to Mopar topic.  Thanks!
>
> '62 to '65 Mopar Clubhouse Discussion Guidelines:
> http://www.1962to1965mopar.ornocar.org/mletiq.html. 

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----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html. 


bOyW3N.