>In a message dated 6/11/99 2:06:39 PM SA Eastern Standard Time,
>> Can incorrect wiring in the car cause diodes in the alternator to fail?
>> Larry Hoy
>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.
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...?