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3G Alternator Swap

From 1989 Ford Bronco “Street Truck”, documented by Tim Crase.

43 photos 2 videos
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1989 Ford Bronco - I ordered up this 3G wiring kit from Ford Fuel Injection . com...2ga. cables and a 175A fuse!! 1989 Ford Bronco - New shiny Alt, from a 95 Mustang GT 1989 Ford Bronco - Back side showing the connections 1989 Ford Bronco - Made sure the connections fit....live a glove. 1989 Ford Bronco - Pic before we get started 1989 Ford Bronco - Squeakin along 1989 Ford Bronco - Disconnecting battery 1989 Ford Bronco - Took off the belt 1989 Ford Bronco - Unbolted the alternator and took it out 1989 Ford Bronco - Pulled this connector off the relay 1989 Ford Bronco - And this one under it 1989 Ford Bronco - Test fitting the new alt. 1989 Ford Bronco - Hits here 1989 Ford Bronco - And back here 1989 Ford Bronco - Ground out the little flange 1989 Ford Bronco - Yay it fits 1989 Ford Bronco - Half inch from the back 1989 Ford Bronco - Half inch deep 1989 Ford Bronco - And about 2" long 1989 Ford Bronco - Bolted the cable and the jumper onto the 3G 1989 Ford Bronco - Scrounged the parts box for a bolt, and a nut 1989 Ford Bronco - All bolted up 1989 Ford Bronco - Belt on 1989 Ford Bronco - Figuring out where to put the fuse 1989 Ford Bronco - Looks like it will go here 1989 Ford Bronco - Bolted up, now to add cables 1989 Ford Bronco - This will be my next area to address 1989 Ford Bronco - Fuse installed 1989 Ford Bronco - Built this jumper wire 1989 Ford Bronco - All hooked up. This swap takes me from 65-75 amp alt to 130 or 140 amp 1989 Ford Bronco - Before movieVideo 1989 Ford Bronco - After movieVideo 1989 Ford Bronco - New 160 amp from Fireguy 1989 Ford Bronco - Two Ford-style alternators sit side by side on a concrete garage floor; the left one has a weathered aluminum finish while the right one ap… 1989 Ford Bronco - Two automotive alternators sit side by side on a stained concrete garage floor; the left unit has a gold/brass multi-groove pulley and a re… 1989 Ford Bronco - Front of a red-painted Ford V8 engine on a stand mid-assembly, with a cast-aluminum alternator mounted on its bracket, a serpentine crank p… 1989 Ford Bronco - A gloved hand holds a heavy cast-iron engine mount bracket that has been cut through with a fresh, bright saw kerf across its web. The work… 1989 Ford Bronco - Close-up of a rusty metal bracket, possibly for an engine component, with text visible on a nearby box. 1989 Ford Bronco - A pair of heavy cast engine mount brackets clamped in a bench vise in a cluttered home garage, showing old paint, surface rust and bolt hol… 1989 Ford Bronco - A bare, freshly stripped stamped-steel engine mount or accessory bracket clamped in a bench vise, with a black-painted bracket bolted to it… 1989 Ford Bronco - Close-up of the front of a red-painted V8 engine on a stand, with a cast aluminum accessory bracket bolted across the timing cover and a si… 1989 Ford Bronco - Engine bracket installation detail, focus on the mounting hardware and engine block components. 1989 Ford Bronco - A freshly painted red V8 engine block on a stand in a cluttered home shop, with one cylinder head installed and a valve spring, retainer an… 1989 Ford Bronco - A bare cast-aluminum bellhousing is being fitted to the back of a freshly painted red V8 engine block in a home shop, with a blue chalk or… 1989 Ford Bronco - A freshly painted red V8 engine block on a stand in a cluttered garage, fitted with a raw aluminum bellhousing/adapter and a black clutch o…