RE: IML: Frustrating Electrical Problem

["Rob McCall" <Rob_Mopar@xxxxxxxxxxx>]

John,

Have you tried disconnecting the blower motor and driving the car?  Sounds
like the the blower motor is seizing and spiking the system, or grounding
out.  Either way putting a killer load on the electrical system.  I'd crawl
under the dash and unplug the blower motor (at the motor end of the harness)
and take the car for a short test drive.

Rob McCall
'67 LeBaron

-----Original Message-----
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of
jvguilbault@xxxxxxxxxxx
Sent: Sunday, September 26, 2004 8:45 AM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: IML: Frustrating Electrical Problem

Hey, guys.

My '76 NYB has a strange problem.  The battery isn't charging and the blower
motor for the heating system isn't working.  The amp gauge doesn't seem to
be reading anything, either.  I've replaced the alternator, voltage
regulator and the battery.  I suspect the amp gauge, but if that went bad,
would the car still start?  Mine does, and everything else appears to be
working fine.  I've unwrapped the wires under the hood to check for cracks,
but everything appears okay.  The car has been garaged its entire life and
the wiring under the dashboard looks great.  

Now, there is one other thing to know.  When I bought the car the alternator
was overcharging the battery.  I thought I could get it home, but the
battery cooked and I had to replace it.  To keep this from happening again,
the mechanic at the battery shop suggested I disconnect the negative battery
wire and drive home like that.  Well, you all probably know what happened.
After everything under the hood blew up, I had the car towed to a
respectable mechanic, who replaced the alternator, voltage regulator,
ignition module, and various light bulbs.  It seemed to work fine, but then
this problem with the blower motor and charging started happening.  It was
intermittant at first, but now it's constant.  The two problems always
happen together.  If the blower motor cuts out, the battery stops charging.
I've taken out both the alternator and the voltage regulator and had them
checked.  They check out fine.  Any ideas?

John



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