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Help with 2 big issues!

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Old Jun 11, 2007 | 08:59 PM
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Default Help with 2 big issues!

So I've narrowed a battery drain problem down to the alternator. I went and did a little test on the alternator today to make sure it was the culprit. I pulled out the 2 wire plug and tested each wire by putting my multimeter between the wire and respective prong on the alternator. Here are my results:

Thicker red wire- Had Drain - with multimeter set on 200MA got a read of .7
Skinier black wire - Had Drain - with multimeter set on 200MA got read of approx 187!!!!!!

Can anyone interpret this? Not knowing much I am guessing the problem is with the black wire inside the alternator (possible a diode or something?).



My second issue is slightly more major than the wiring issue. Recently whenever I move the car I get a horrible metal on metal squeeling noise out of the rear driver side wheel. The noise is only apparent when the wheel get to a certain spot. I checked and could not see any visible spots where anything was rubbing (and I havent dont anything to that area of the car in a while). Made sure brakes, etc. had clearance from rotor, etc. Any help on this issue? Thanks so much sorry for the long post!
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Old Jun 12, 2007 | 08:57 AM
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A bad diode will cause a drain. I had the exact problem in my 70 BB 30 years ago and a replacement diode pack fixed that. Very easy to do.
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Old Jun 12, 2007 | 09:01 AM
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Originally Posted by monza_man
...Recently whenever I move the car I get a horrible metal on metal squeeling noise out of the rear driver side wheel...
Bearing.

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