Volvo RWD 140-160 Forum

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Electrical problem in the Yellow Peril 140-160 1973

Background:
Sometime back Ben called me with an electrical problem in the Yellow Peril.
It had fried the big wire going across to the alternator and at that time it
was because the steel brace between the block and the intake manifold came
loose and got against the alternator output terminal. After repairing the
damage, replacing the brace (GOOD and tight!) it seemed like the alternator
was OK and everything was fine. Then it did it again. No obvious shorts or
anything. I replaced the big wire again but this time put in a short section
of about #14 wire in the big wire, which I think is probably about #10. It
worked just fine for about 3 weeks with Ben driving 15 miles home from work
in the dark hours of the early morning.

Suddenly it burned up the small wire again.
Ben went over and put a jumper in and drove it over here this evening but
at this point I have not had a chance to look at it. The alternator is Bosch,
as is the regulator, and up to now has been doing OK at keeping the battery up
other than apparent occasional shorts. Do Bosch alternators and/or regulators
commonly do this sort of thing?
Nearly all my experience thus far has been with SEV/Motorola alternators
but I never saw one of them do anything like this!
Anybody got any ideas?
--
George Downs Bartlesville, Heart of the USA!






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New Electrical problem in the Yellow Peril [140-160][1973]
posted by  walrus3 subscriber  on Tue Nov 14 12:21 CST 2006 >


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