Scrapyard alternator...
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Senior User
Joined: Apr 2013
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From: Geneva NY
Scrapyard alternator...
Hey all,
I scoured the scrapyard today for an alternator for my truck and finally found one that I thought might work, except it tests as DOA.
The manager of the parts store identified it as a 7072. It is a 70amp and has a "T" shaped connector, an output, and a ground. Is this unit an externally regulated one? It came off an late 80's or early 90's f350 with a diesel, don't know the exact year.
I'm in need of an internally regulated one. Will the ones off the bronco-II's work? they looked like they might be the same as what I need. It's going in an 86 f150 with a 351w.
If it's worth rebuilding I might look into that, if not I've at least got a v-belt pulley I can use now!
I scoured the scrapyard today for an alternator for my truck and finally found one that I thought might work, except it tests as DOA.
The manager of the parts store identified it as a 7072. It is a 70amp and has a "T" shaped connector, an output, and a ground. Is this unit an externally regulated one? It came off an late 80's or early 90's f350 with a diesel, don't know the exact year.
I'm in need of an internally regulated one. Will the ones off the bronco-II's work? they looked like they might be the same as what I need. It's going in an 86 f150 with a 351w.
If it's worth rebuilding I might look into that, if not I've at least got a v-belt pulley I can use now!
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Joined: Feb 2011
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i would suggest you put a 3g on there from a mid-90s taurus with the 3.0. its a 130a monster that bolts right up, just needs simple wiring and a pulley swap to make it work.
or if you want an exact fit, go to a parts store website like oreillyauto.com enter your vehicle, find your alternator, click on the tab that says compatibility, and you'll see a list of every vehicle your alternator was found in. i do this frequently when i'm searching for JY parts.
FWIW, the 86 would have come with the "flaming ford" alternator wiring, the one whose output wiring goes through a couple of blade connectors instead of a stud with a nut. they earned that name for a reason, thats part of why i suggested the 3g upgrade
or if you want an exact fit, go to a parts store website like oreillyauto.com enter your vehicle, find your alternator, click on the tab that says compatibility, and you'll see a list of every vehicle your alternator was found in. i do this frequently when i'm searching for JY parts.
FWIW, the 86 would have come with the "flaming ford" alternator wiring, the one whose output wiring goes through a couple of blade connectors instead of a stud with a nut. they earned that name for a reason, thats part of why i suggested the 3g upgrade
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Joined: Jan 2001
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From: Virginia
The diesels usually were externally regulated. I got rid of my "flaming Ford" alternator on my 86 Ranger and installed a alternator off a 86 monte carlo. I had to drill one of the holes out and re-make the bracket, but it works, and is internally regulated, and only has two wires going to it.
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Senior User
Joined: Apr 2013
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From: Geneva NY
Yea I was thinking about getting the 3g but didn't know what vehicles they came in, and when I bought the truck there was no alternator so I didn't have a pulley to use. I've actually got a couple GM alternators but I'm not sure I want to commit sacrilege and make people mad haha. I'm just too cheap to go pay the $140 that the auto parts store wants for a new internally regulated 2g like mine had originally. Maybe I'll swap the pulley for the one on my GM alternator and take it back to the scrapyard for a taurus 3g, but then I have to wait until next saturday before I have time to make it back to the scrapyard!
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Joined: Jan 2001
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From: Virginia
That's why I did it also, i had it laying around. It was the little bit larger style GM(100amp) with a serpentine pulley, but the Ford pulley from the 2g slipped right on with a small spacer behind it. A regular GM with a smaller case may have fit even better. I am like you, the Ford alternator from the parts store is way too expensive. If the GM ever goes bad I believe I can get it for $40 or so rebuilt.
Thread Starter
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Senior User
Joined: Apr 2013
Posts: 477
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From: Geneva NY
That's why I did it also, i had it laying around. It was the little bit larger style GM(100amp) with a serpentine pulley, but the Ford pulley from the 2g slipped right on with a small spacer behind it. A regular GM with a smaller case may have fit even better. I am like you, the Ford alternator from the parts store is way too expensive. If the GM ever goes bad I believe I can get it for $40 or so rebuilt.
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