Re: 400 DIESEL WIRING

Posted by Roger Mills on January 10, 2007 at 05:33:00 from (71.213.68.25):

In Reply to: 400 DIESEL WIRING posted by F WALLS on January 09, 2007 at 18:30:27:

If the cables are still there then hook them up to the post they fit. Then turn on lights and see if the ammeter goes to discharge, if so you are correct for the wiring. Many early diesels kept the same polarity as the 6 volt systems they just went to 12 volts for cranking power and in some cases they just turned up the generator voltage and even kept the same starter. Point is that the generator and regulator needs to match the battery polarity, and they can be either. Cars went to negative ground first and many tractors stayed positive ground for a long time afterwards. All alternators are negative ground unless specifically made to replace a positive ground generator-rare.

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