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Home/ Registry/ Ford/ Bronco/ 1980–1986/ “Jezebel”/ 3G Alternator Swap supermotors.net/registry/6364/53077

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3G Alternator Swap

From 1983 Ford Bronco “Jezebel” — documented by michael collins.

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1983 Ford Bronco - I fount out my pretty alt was not working correctly. I ben reading on a 3G 130 amp swap. so off to the junk yard i went. (I should have rea… 1983 Ford Bronco - This is the Tempo alt not what you want fof the swap. the plugs are the same as the correct one. 1983 Ford Bronco - WRONG ALT THIS IS A TEMPO see the mounts are in the wrong spot. 1983 Ford Bronco - Here is the Back of the TEMPO alt. I decided i going to turn this into a welding alt. the mount will work great for that. 1983 Ford Bronco - This is a TEMPO alt not a direct swap for a bronco or F150 1983 Ford Bronco - Well another trip the the yard and i got this correct alt off a Taruas. At this time the pullies are wrong i need to swap them. i took them… 1983 Ford Bronco - here is another view before i swapped the pullies. 1983 Ford Bronco - after i returned from the auto store here they are correct pullies on the correct alt. 1983 Ford Bronco - Here is a front view. of both 3Gs 1983 Ford Bronco - Here is the back. they are both the same connections minus the mounting ears. 1983 Ford Bronco - This was taken from another web site, sorry not sure whom i stole this from but thank you. this is to show how the parts are wired 1983 Ford Bronco - This is for the people swapping the later 2G in thier truck. this 2G has on the side. i was helping a friend do his and he needed this pict… 1983 Ford Bronco - on my year i get to toss all this in the trash the regulator is now built in the alt and much cleaner install. The too was found on the web… 1983 Ford Bronco - Here is Jezebel wiring mess. you can see the regulator and all the wires that goto it. 1983 Ford Bronco - I get to toss most of these into the trash it is a fire waiting to start.... 1983 Ford Bronco - Here is another view of the mess i going to remove. 1983 Ford Bronco - there are a couple was to do the wiring. you can lookup Fireguy and his website and order everything you need or you can make your own.i co… 1983 Ford Bronco - Here is the harness that was on the 3G. i just cut it longer at the junk Yard. 1983 Ford Bronco - here is another view of stock harness. 1983 Ford Bronco - Here is my home made harness. i tossed a couple of the wires in the stock harness. the new uses 3 wires i soldered and heat shrank all conn… 1983 Ford Bronco - Here the harness is all connected and ready for install. the wire not connected it the IGN hot or on wire, when it senses 12V the alt turns… 1983 Ford Bronco - Ok-next issue when pulling a higher amp output you need to increase the charge cables. i wouls suggest to install a fuse and or circuit bre… 1983 Ford Bronco - how this circuit breaker works when it gets tripped the lever pops out in the center. you just fix the issue and reset it and go. 1983 Ford Bronco - Here are all the new wires. i planning on adding a second battery with the selector switc so i took the charge wire to the battery and a ne… 1983 Ford Bronco - Here is the connection for the battery. 1983 Ford Bronco - I wanted to have a power panel i could pull off fast if or when i need to replace the fender. I got the newer relay and mounted it the new… 1983 Ford Bronco - Here i have added the circuit breaker. 1983 Ford Bronco - Now i am ready to start wiring this thing this is from the BAT+ alt post to the circuit breaker then to the battery.. 1983 Ford Bronco - on the 4.9 the bottom alt bracket was a adjustable bar i install the alt like the 2G was installed. the green and red is the 12V on wire. i… 1983 Ford Bronco - Here is a different view of the alt installed. 1983 Ford Bronco - Here are all the wires connected. the plug on the bottom that is open right now is the power bypass for the fuse block and inside power nee… 1983 Ford Bronco - another view of the battery and panel connections. 1983 Ford Bronco - i decided to chop out the connector and wire directly to a battery plus connection. you can see it on the top of the relay. 1983 Ford Bronco - Last look at the battery connection. like the hold down?