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hcbph Had to do an alternator
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Just passing along a potential source to everyone. Last Sunday the alternator died in my 86, had enough juice in the battery to get home so at least I didn't have to have it towed. The alternator looked original, so it lasted 32 years.

Thing is when I was looking for a replacement (wanted the same as was in it) all I could find was a reman Delco Remy units and the prices were all over the place depending on who you were looking at. Found one on Amazon for $65 delivered with no core charge through some place doing listings on Amazon (not the highest price nor the lowest). Seemed reasonable and ordered it. Came in the other night (3 days from when ordered) and 45 min and the old one was out and the new one was in. Quick run and everything seems good again.

No core was a good thing for me, I'm hoping to rebuild my old one for putting on the parts shelf once it's repaired. Going through the FSM it looks like all you need for diagnostics is an OHM meter so giving it serious thought to try rebuilding it myself or send it to one of the local shops to do it. Never can have enough spare parts for an older car.

Big thing is at $65 delivered with no core charge, if this thing lasts I think it's a decent deal. Just passing along the info.

Posted on: 2018/6/15 14:16
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bogus Re: Had to do an alternator
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that's nice not to have to deal with core...

most remans are junk... so if you find the right OEM parts to rebuild it with, you are ahead.

Posted on: 2018/6/17 0:34
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hcbph Re: Had to do an alternator
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I have to agree that many remanufactured units aren't too good, but then again so are so many of the new units. I've had both fail over the years so it's a crap shoot, it's just the luck of the draw. Even rebuilding the old unit, it all depends on the quality of parts I can find whether it's worth the effort or not (heavy sigh). So much (whether units or parts) come from overseas and many lack apparent quality control in their product.

I'm just hoping this reman unit will hold up a while, have to see what happens. Wish me luck.
Posted on: 2018/6/17 12:53
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Matatk Re: Had to do an alternator
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I would find a reputable local electrical shop to rebuild it. They use higher quality parts than the parts store / foreign rebuilds. They will also test it to make sure it functions properly. The guy I use said he can also upgrade it internally for better output.
Posted on: 2018/6/18 0:26
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc.
1989 Corvette...RIP
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hcbph Re: Had to do an alternator
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20 miles and the reman crapped out. Taking my original out tomorrow and see about getting it rebuilt :-(
Posted on: 2018/6/19 1:26
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hcbph Re: Had to do an alternator
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Alternator is rebuilt, but apparently took out the fusible link on the alternator bat wire. Think I know where it is but at the moment don't know what the value is on it to replace it.
Posted on: 2018/6/20 9:38
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hcbph Re: Had to do an alternator
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Here's some info in case someone runs into the same thing. If a known good alternator doesn't charge, try temporarily hooking a wire between the bat lug on the alternator and the positive battery post, if it works now, it's wiring.
The wire from the bat lug is a resistance wire and goes from the alt to the power distribution lug under the battery. There's a pigtail off the positive cable that also goes to that lug.

In my case both wires ohm'd ok, so it made no sense why it wasn't charging. Turned out the crimp on lug on the alt end of that wire wasn't "tight". Recrimped it and it fixed my issue.

I wish I could find a replacement for that resistor wire, but so far no luck on a new one.
Posted on: 2018/6/20 23:06
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Matatk Re: Had to do an alternator
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Quote:

hcbph wrote:

I wish I could find a replacement for that resistor wire, but so far no luck on a new one.


Fusible link you said? Cut out old one, solder in new one. Just need to know the value and they are available at the parts store.
Posted on: 2018/6/22 22:04
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1989 Corvette...RIP
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hcbph Re: Had to do an alternator
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Apparently the whole wire is the fusible link from what I can tell. I've been down length of it and I can't find any form of fusible link in it. It's a bear though, can't find a part number on it, can't find a value on it, nothing. I've emailed a replacement wiring house if they sell a replacement or know what the value is supposed to be on the thing.

At least It's working, so that's one of those 'nice to do' things when conditions permit.
Posted on: 2018/6/23 22:56
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Matatk Re: Had to do an alternator
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I'll be honest I've never researched it or looked into it. I'll check the fsm later when I get a chance.
Posted on: 2018/6/24 0:38
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc.
1989 Corvette...RIP
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hcbph Re: Had to do an alternator
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The only thing I found was in the FSM on page 8A-30-1, a schematic that includes that part. I talked to the Chevy Parts Department, NAPA, Autozone, Oreilly's along with a couple of other places without any luck. No one has a part number, no one has a burn value on it, no nothing.

My hope is therefore that some place that sells rewiring kits should have something available. I pulled most of mine out of the wire wrap and did not find any indication of a lump like in the other fusible links so I have to think the whole wire is a fusible link. I just don't know what to use to replace it.


I know I can use what I have for some time, but I've been replacing and upgrading parts along the way to keep it dependable.
Posted on: 2018/6/24 10:17
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