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Farmall & IHC Tractors Discussion Forum
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706 charging problems revisited

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TJH72

04-06-2008 12:59:18




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I wrote a couple days ago about my 1967 Farmall 706 with a German Diesel engine. First off thank you for your advice. I had the batteries checked and one of the batteries had a bad cell in it. So, I replaced it. I had the alternator checked and the dealership stated it was good. It did not reach the 14.0 -14.5 range. I asked the question about the 14.0-14.5 range and they said that the alternator was good. I also replaced the voltage regulator. When I started the tractor yesterday I noticed that the AMP tellite is now blinking when the tractor is at idle. The tellite never used to be on or blink at idle. What does the blinking AMP tellite mean? It has to get up about around half throttle before the tellite goes off? This morning the tractor still had problems starting but is was better than a couple of days ago.

Thanks again,
TJH72

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Weldon K

04-07-2008 08:08:39




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 Re: 706 charging problems revisited in reply to TJH72, 04-06-2008 12:59:18  
If the batteries are good , the alternator is good, the voltage regulator is good, all wiring is good and connected properly, only thing left is the resistance unit.It is found either just above or just below the voltage regulator. It is the porcelain thing with wire terminals at each end , fastened in place with one small bolt. I've replaced several of them over the years for myself and others when batteries would not charge.

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Bob

04-06-2008 13:07:17




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 Re: 706 charging problems revisited in reply to TJH72, 04-06-2008 12:59:18  
Pull the 2-wire plug out of the back of the alternator. Jumper the "F" terminal in the alternator (where the connector was) to the large output stud.

This "full-fields" the alternator, and it should rapidly bring up the battery voltage to 15 Volts and beyond, IF the alternator is good. My GUESS is that it ISN'T.

(Don't run it this way for very long, just for testing.)



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