Proper Alternator?!?
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Senior User
Joined: Jun 2015
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Proper Alternator?!?
Hey guys! I have a 1989 Ford F-150 XLT Lariat Longbed Pick-Up Truck with the Fuel-Injected 5.8 351 Windsor. It has an aftermarket alternator on there and it has gone bad. Whenever I had gone to the auto parts store, before I could order a new alternator I needed to know which position the alternator plug is suppose to be at for my truck. There is a 2:00 position and a 10:00 position. I want to make sure I get the proper alternator. The old alternator that came off of the truck had a 2:00 position, but I don't know if it is the proper one. I don't know if they made a certain alternator for a Bronco and one for an F-150? Please let me know guys so I know which alternator I need to get. Thanks!
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Senior User
Joined: Jun 2015
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Yeah, but the way the wiring ran to the alternator was all bunched up. I didn't know if it was suppose to be a 10:00, or a 2:00. They are obviously two different positions. I just didn't know if for a reason.
Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
Have you considered doing a 3g swap? Im not sure if you have the old external regulator that can be a wiring nightmare or the 2g that has the restangular plug that is prone to catching on fire, but the newer 3g is a huge upgrade.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
How long does it take to reclock an alternator?
3x 5/16 heads screws, tap, turn, replace screws...
I did it twice last week while screwing around with different alternator brackets on my truck.
3x 5/16 heads screws, tap, turn, replace screws...
I did it twice last week while screwing around with different alternator brackets on my truck.
Fleet Owner
Joined: Oct 2005
Posts: 20,780
Likes: 1,746
From: Kentucky
I thought the same thing earlier today.
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4wd High
Joined: Dec 2015
Posts: 8
Likes: 2
From: Usa
I've got a '91 F-150 Lariat, and none of the alternators for the 1991 model at any parts store looked anything like the original. One of my aircraft mechanic buddies finally told me to ask the parts store for an alternator for a '95 F-150. I thought he was crazy, but sure enough it was a perfect fit. Don't know if that helps at all
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Logistics Pro
Joined: Mar 2011
Posts: 4,197
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From: Central Wisconsin
Go to a junkyard and pull a 3G from a Taurus. It'll be cheaper than a "new" one from a parts store, and won't light on fire like a replacement 2G still will. Clocking one hardly takes any time.
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