Re: Which 12 Volt Alternator?

Posted by Wayne Swenson on November 22, 2005 at 12:23:53 from (69.106.253.205):

In Reply to: Re: Which 12 Volt Alternator? posted by doc_foley on November 22, 2005 at 09:22:38:

Don"t get in the habit of "painting all 1 wire systems with the same brush".
My son has a 1943 M with the one wire system and for the last 11 years it has not caused any voltage leakage.
While teaching Vocational Automechanics for 33 years, I have had many opportunities to diagnose & repair 10-SI systems and the usual voltage loss problem is a leaking diode internally. These units are not exactly new so a used or rebuilt one might have a problem.
Take it apart & use your trusty ohmmeter to check out the system. It is rather simple and you can learn a lot. Don"t forget to remove the toothpick holding the brushes in place when finished assembling or there will never be any charging "going on".
The 1 wire system is so easy to install and you do not need any extra wires or lights.

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