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Minor
Modifications
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Absolutely
Positively Negative
A
lot of Minors are still positive earth. Essentially it doesn't
matter at all whether your car is positive or negative earth
so long as all the accessories you have in the car are the
same. So what's the problem? Well, for starters you wont
be able to fit a modern stereo without a great deal of effort.
All modern car stereo gear expects a negative earth power
supply and most Minors came with positive earth. If yours
hasn't been done already, here's how. Have you got 5 minutes?
- First
of all, if there is a radio/cassette unit in your positive-earth
Minor, then I'm afraid you'll probably have to dump
it - a reverse in polarity will destroy it anyway.
- Next,
remove both wires to the back of the generator, take
the battery out and turn it around - you may have to
buy new longer battery leads to suit.
- Take
a length of spare wire and hold one end on the positive
terminal of the battery and touch the other end to the
small terminal on the back of the generator three or
four times. Warning - it will spark as you touch it
so mind your fingers! This process will reverse the
polarity of the field windings of the generator.
- Now
remove the spare wire from the positive battery terminal
and put both of the other wires back on the same terminals
on the generator that they came from.
And
Hey Presto!
Your
Minor is now negative earth. Go and buy yourself a stonking
big CD/Tuner system for a job well done.
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