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3G Alternator Upgrade

From 1983 Ford Bronco “Rosie”, documented by Fred Willson.

14 photos
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1983 Ford Bronco - This is the 140 Amp 1G I had previously installed. 1983 Ford Bronco - The 1Gs wiring mess 1983 Ford Bronco - This is the long ear version of the 3G alternator. It was originally installed in a Lincoln Mark VIII, $17.00 from the Pick and Pull. I dec… 1983 Ford Bronco - First and only snag in the project was the old mounting bracket. 1983 Ford Bronco - As you can see the bracket doesn't fit behind the Alternator ear because of that offset in it.. 1983 Ford Bronco - Here is a comparison of the ear thickness. The 3G on the left is a short ear version. The one I instlled in the truck is a long ear version… 1983 Ford Bronco - I used my vice and a hammer to remove the 1/4 inch offset and then made certain the whole thing was flat and not torqued. 1983 Ford Bronco - Bracket now fits just fine. 1983 Ford Bronco - I purchased some real nice precut cables with lugs already installed on them but had to file down the lug on the alternator end to fit on t… 1983 Ford Bronco - Installed 1983 Ford Bronco - Installed 2 1983 Ford Bronco - 3G hooked up with 175 amp Megafuse 1983 Ford Bronco - An annotated photo of a 3G alternator conversion wiring pigtail laid out on a white background, with a black two-pin connector labeled "To… 1983 Ford Bronco - Charging-system wiring diagram showing battery, generator/voltage regulator, fuse link and color-coded circuits.