Mjh Posted July 11, 2021 Share Posted July 11, 2021 If I replace the 6 v generator and regulator do they need to be polarized? Thanks Link to comment Share on other sites More sharing options...
plymouthcranbrook Posted July 11, 2021 Share Posted July 11, 2021 Check here https://p15-d24.com/topic/48890-how-to-polarize-generator-1939-desoto/?tab=comments#comment-519099 Link to comment Share on other sites More sharing options...
Frank DuVal Posted July 11, 2021 Share Posted July 11, 2021 Yes. Because you need to "tell" the iron core of the field windings which direction North and South are for the residual magnetism. This residual magnetism is needed to start the generator generating. Now, if you saw the generator charging on a test stand, turning in the correct direction as it does on your car, and nothing happened to it while disconnecting or reconnecting it (all work done with battery disconnected) then it probably already has been polarized. But, for a few seconds (minutes...😉) and a piece of wire, it is good practice to perform a polarizing. Just taking a generator off to paint it or replace brushes, and it was working fine before removal, then no polarizing is needed. Link to comment Share on other sites More sharing options...
c49er Posted July 11, 2021 Share Posted July 11, 2021 To polarize your Plymouth Autolite generator Just use a short piece of say 16ga. jumper wire... Connect the "B" and "A" (battery and armature) terminals on the regulator for just a quick second of a flash...done. 2 Link to comment Share on other sites More sharing options...
Bryan G Posted July 12, 2021 Share Posted July 12, 2021 Some of the Mopars around that time frame have the starter relay grounded through the armature so that they couldn't be cranked while the engine is running. As it was explained to me, this also serves to automatically polarize the generator. 1 Link to comment Share on other sites More sharing options...
maok Posted July 12, 2021 Share Posted July 12, 2021 5 hours ago, c49er said: To polarize your Plymouth Autolite generator Just use a short piece of say 16ga. jumper wire... Connect the "B" and "A" (battery and armature) terminals on the regulator for just a quick second of a flash...done. And most importantly, stick your tongue on the F terminal, this will confirm that you have done it correctly....😜 2 Link to comment Share on other sites More sharing options...
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