Alternator Woes!
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Rather Be Floatin
Joined: Oct 2005
Posts: 2,468
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From: Marble Falls, Tx.
Alternator Woes!
When my alternator originally went bad I was in Cedar Park Texas on my way to vacation so I pulled into the local O'reileys and bought a Reman alternator. Put it in while in the parking lot and went on my way. 1 1/2 years later (7/2011) it went out again, went to O'reileys and they swapped it out. Now 5 months later it went out AGAIN. GREAT went to O'reileys and they gave me another one. Came home, installed it and it would put out voltage for 45 secs and would quit putting out. Took it back and they bench tested it and said there wasnt anything wrong with it because their testing machine was "state of the art" yeah right!!! After much argueing they agreed to replace it again but I wanted an upgrade and had them order me a NEW alternator. Got it put in tonight and it works again but for how long?
If at all possible take Springer pops advice and have your OEM unit rebuilt by an auto electric place because parts stores remans are JUNK. I had no choice because I was on the road, but learn from others mistakes.
More Turbo
Joined: Jan 2006
Posts: 687
Likes: 15
From: Lake Charles, LA
I feel your pain. I went thru the same thing. Got a rebuilt unit from a local shop in for 6 mths now after changing out the "lifetime" units 3 times in 2 yrs. Got my "lifetimer" now in a drawer awaiting emergency service if i ever need it. And it will travel with me on long trips. All these years later, the boy scout lessons still ring true, Be Prepared.
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Rather Be Floatin
Joined: Oct 2005
Posts: 2,468
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From: Marble Falls, Tx.
I think I'm going to have to go to some boneyards and try to find an old unit and have it rebuilt to have a spare. Because I just don't have confidence in the "lifetimes" either. Only problem is here in Houston it isn't easy to find a boneyard with a 7.3!
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
A Six-Oh! alternator will bolt right up.
The only difference is a little added piece that moves the output post from the rear of the frame to the top. I actually used that piece, and then covered the post with RTV to insulate it against an accidental short when wrenching on the top of the motor.
There might be a few Six-Oh!'s in boneyards.
Pop
The only difference is a little added piece that moves the output post from the rear of the frame to the top. I actually used that piece, and then covered the post with RTV to insulate it against an accidental short when wrenching on the top of the motor.
There might be a few Six-Oh!'s in boneyards.
Pop
Cargo Master
Joined: Oct 2010
Posts: 2,089
Likes: 16
There is something about the bench testing machines I have never understood and it has happened to me several times on 99 and newer trucks. Sounds like it happened to the OP too.
Say I have an alternator that does not work. I go get it rebuilt or buy one at the box store. When I put it on the truck, no charge and all of the truck inputs work . The connector is good and it should charge, but does not. I take it back and they throw it on the bench tester and it charges away. If the truck is giving the same inputs as the bench tester, it should work but I have had that happen on a couple different trucks since Ford introduced the 2 speed regulator circuit.
It got to the point at one time, I would just go to the dealer and pay the extra money to keep from having to deal with it. I have not had to replace one in a while but has anyone else run into that?
Say I have an alternator that does not work. I go get it rebuilt or buy one at the box store. When I put it on the truck, no charge and all of the truck inputs work . The connector is good and it should charge, but does not. I take it back and they throw it on the bench tester and it charges away. If the truck is giving the same inputs as the bench tester, it should work but I have had that happen on a couple different trucks since Ford introduced the 2 speed regulator circuit.
It got to the point at one time, I would just go to the dealer and pay the extra money to keep from having to deal with it. I have not had to replace one in a while but has anyone else run into that?
Posting Guru
Joined: Dec 2010
Posts: 1,153
Likes: 0
From: Boston, MA
I got an Autozone alternator and have my OEM sitting in the toolbox waiting to get exchanged for the core charge....maybe I'll have it rebuilt and use it and keep the Autozone/Duralast as a spare
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Thread Starter
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Rather Be Floatin
Joined: Oct 2005
Posts: 2,468
Likes: 0
From: Marble Falls, Tx.
A Six-Oh! alternator will bolt right up.
The only difference is a little added piece that moves the output post from the rear of the frame to the top. I actually used that piece, and then covered the post with RTV to insulate it against an accidental short when wrenching on the top of the motor.
There might be a few Six-Oh!'s in boneyards.
Pop
The only difference is a little added piece that moves the output post from the rear of the frame to the top. I actually used that piece, and then covered the post with RTV to insulate it against an accidental short when wrenching on the top of the motor.
There might be a few Six-Oh!'s in boneyards.
Pop
Arent the 6.0 higher amp outputs? 135A maybe?
What really pizzed me off was after I told him I didnt care what his machine said my meter showed it wasnt putting out. He had the nutz to say "who do I trust you and your voltmeter or my state of the art machine"! That kinda made my blood boil!
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Postmaster
Joined: Dec 2008
Posts: 3,340
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I bought a new one from o rieleys a few years ago and have not had any problems with it. Probably should have had my original rebuilt though. There is a junk yard here locally that specializes in diesels. You may want to give them a call and see if they will ship one. Brannex truck parts 505-877-4244
Postmaster
Joined: Dec 2008
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Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
No, not a higher rated output. 105 amps. The same unit, just the terminal extension.
ONLY if it were a larger-frame unit, then it jumps to 135 amps.
Pop
ONLY if it were a larger-frame unit, then it jumps to 135 amps.
Pop