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210 Alternator charging issue
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Oldoug View Drop Down
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Joined: 12 Sep 2009
Points: 1131 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oldoug Quote  Post ReplyReply Direct Link To This Post Topic: 210 Alternator charging issue
    Posted: 07 Jul 2017 at 10:16pm
Tonight I put a new rebuilt alternator on my 210...I have been fighting dead batteries for the year I have owned it.  I have new batteries and new cables and new alternator in it now.  I volt tested at the alternator and the battery and it shows it is not charging (12.3 volts).  I have power to the alternator and have tested the ground wire to the alternator also...if I unhook the field terminal it should charge no matter what correct?  It still only reads 12.3 volts.  Alternator is spinning good and freely.  Did I just get a bad rebuilt or what else can I test.  Thanks for any help.
Matt Folkers

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Orange Blood View Drop Down
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Joined: 29 Nov 2010
Location: ColoradoSprings
Points: 4053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Orange Blood Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jul 2017 at 11:38pm
I haven't worked on our 210 yet, it is still a project waiting, but by the looks of the parts book is has a remote voltage regulator up under the dash cover like the other hundred series, and Two Twenty/D21 tractors.  I would look there.  Also check your grounds on that regulator.
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DougS View Drop Down
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Joined: 03 Nov 2011
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Points: 2490 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jul 2017 at 3:56am
You need the field terminal to be connected. I presume you have an external regulator, since you mention the field terminal. If you don't have an external regulator and your alternator has a field terminal, I would presume that you have the wrong alternator installed. If you have an external regulator and it is connected, that regulator may be your problem.
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Points: 420 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ranger42 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jul 2017 at 8:59am
I had the same symptoms on our 210 it was voltage regulator on the hood under the cowl cover like others guys have said. I did have one other time we were having trouble and it was a bad ammeter gauge.
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