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Re: Alternator diodes

To: mgs@autox.team.net
Subject: Re: Alternator diodes
From: dresden@tiac.net
Date: Tue, 15 Jun 1999 05:13:28 -0400 (EDT)
>In a message dated 6/11/99 2:06:39 PM SA Eastern Standard Time,
>larryhoy@cwix.com writes:
>
>> Can incorrect wiring in the car cause diodes in the alternator to fail?
>>
>>  Larry Hoy
>Larry,
>The only think that I can think of off the top of my head that will cause the
>diodes to fail is connecting the battery backward.  In some cars, this will
>cause the rectifying diodes to physical blow apart (there is a lot of current
>flowing the wrong way).
>Other than that, I cannot think of any messing around in the wiring that
>would cause the diodes to fail.
>Rick Ewald

I've always been told that running the engine with the battery disconnected
will also damage the diodes in the alternator, hence the warnings not to do
that. Is that the reason, or is that something different, meaning I've once
again been misinformed...?

Nevin





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