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  View original topic: 73 vw thing overcharging
hogwildrestorations Wed Mar 14, 2018 8:42 am

Any help would be appreciated new generator new battery 3rd new regulator testing on battery terminal runs 16.8 new cables all fuses good! no burn wiring went back and double grounded generator and regulator still over charging. I think a ground issue but can not find a problem any suggestions?? Oh also insulated terminal connections on fuse box. Thanks for any help.

Busdriver79 Thu Mar 15, 2018 6:48 am

I had a similar overcharging problem on my 74 Thing...I adjusted the charging rate inside the voltage regulator...it's very simple to do...I watched a video on YouTube to see how it was done, and the only things you need are a small screwdriver and a voltmeter...I gave the screw about 1/8 turn to bring it back into spec...Watch the videos to see how it's done...You'll have it dialed in within five minutes...Measure the voltage across the battery terminals at a fast idle to do this...Make it around 13.2-13.7 volts and it's done.

hogwildrestorations Thu Mar 15, 2018 7:20 am

Thank you for the help will go to the garage and give this a try much appreciated!!!!!



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