charging problem, replacement radio?

[james accordino]

--- Konstantin Bogach <Konstantin.Bogach at msdw.com>
wrote:
> > > I have a peculiar charging problem on my '89
> 100Q: neither digital nor
> > > analog gauge show any charge from cold start
> before approx 3500rpm --
> > > after hitting this rpm range it charges fine at
> any rpm

> > Corroded field exciter wire. Common failure point.
> > There's a small blue wire that goes to the back of
> the
> > alternator
> > The corrosion is usually right at the spade lug
> that
> > connects to the alternator. A cut an inch off my
> wire,
> > crimped a new lug on, and voila.....

> I second that.  I had this problem too.  In same
> place.
> About 3,500rmp: what is this?  Vibration fixes
> contact

> Konstantin Bogach.
> 200tq 89

Make that three.  Same exact symptom.  No charge til
engine revs up, then fine.  Small blue wire was
corroded right at the ring terminal, and an inch up
the wire under the insulation.  All green with 1
strand of wire connected.

Jim Accordino