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Re: Garage Sale Alternator - Part 2 of 2 Cap'n 

By: Decomposed in POPE 5 | Recommend this post (3)
Fri, 21 Sep 18 9:24 PM | 59 view(s)
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Msg. 08268 of 62138
(This msg. is a reply to 08267 by Decomposed)

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My diode test reading is 1,250 - not the "500 to 800 millivolts" that the video says I should get.

That's the bad news. The good news is that when I reverse the leads, my reading is zero... which is what the video says it should be.

I'm left not knowing whether the alternator is bad or the video is wrong.

Or both.

Time to take it to AutoZone.




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Gold is $1,581/oz today. When it hits $2,000, it will be up 26.5%. Let's see how long that takes. - De 3/11/2013 - ANSWER: 7 Years, 5 Months


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The above is a reply to the following message:
Re: Garage Sale Alternator - Part 2 of 2 Cap'n
By: Decomposed
in POPE 5
Fri, 21 Sep 18 9:04 PM
Msg. 08267 of 62138

micro:

Re: “There are LOTS of them that show the insides of altrnators and how to fix most common problems. Including the brushes...”

I'm watching one of the videos now and trying to follow along:

http://www.youtube.com/watch?v=oUhgyqm0wro

Unfortunately, one of the first things it says, at the 1'02" mark, is to put my multimeter into "diode" mode:

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Nuts! What the #*^%! is that? My little voltmeter, cheap piece of 25-year-old junk that it undoubtedly is, doesn't have one.

Uploaded Image

I'm a packrat, though, and being a packrat does have its advantages. I hunted around and not only found another multimeter (bought at a garage sale for $2 not so long ago), it's better than the one I've been using. And it DOES have the setting I need.

So the alternator testing goes on.

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