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Old 03-30-2011, 07:31 AM
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svxcess svxcess is offline
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Join Date: Feb 2001
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Re: Confirm my problem is Alternator related

Quote:
Originally Posted by K_Dub View Post
Update #2.

Finally tore into it a bit today. Found a bunch of brittle, twenty year old plastic including an alternator plug with exposed wire and insulation that came off in my hand.
That is quite common. The power wires that connect to the top of the alternator, as well as the wires that connect to the alternator plug) really deteriorate over the years with high underhood temps, resulting in failing insulation and corrosion

You have to cut them back quite a ways back to find where they become flexible again. I just cut the plug wires back as far as I could and replaced them.

One of the two white wires from the power terminal on the top of the alternator is what supplies the battery. You can see how much smaller it is compared with new 4 gauge. When new twenty years ago, the wires were adequate for the needs of the SVX. Over the years, heat and corrosion and deterioration has inhibited its original ability to carry current efficiently; hence the need for the wiring upgrade. The same is true of grounds.


You can buy the alternator plug with a short length of wire attached directly from Electric Motor Service in Logan, WV. Their phone number is 800- 697-6070

The part number is 050-012252 and they go for $9.53 each plus shipping
with no minimum. I already ordered two more.

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Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan

In-Service Date: January 2, 1997



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2007 Mazda Miata MX-5 PRHT...102,000 miles.
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Last edited by svxcess; 03-30-2011 at 08:25 AM.
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