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voltage regulator


 
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Lemen
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Joined: 10 Aug 2014
Posts: 2


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PostPosted: Sun Aug 10, 2014 1:15 pm    Post subject: voltage regulator Reply to specific post Reply with quote

I have a C Farmall that the voltage regulator keeps going out on. They only last about ten to twenty hours. when I got the tractor I switched it to a negative ground for easier jump starting, I don't know if this is part of the problem or not. Let me know if you can help.
 
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Janicholson
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Joined: 30 Jan 2004
Posts: 35392
Location: St. Cloud, MN

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PostPosted: Sun Aug 10, 2014 1:22 pm    Post subject: Re: voltage regulator Reply to specific post Reply with quote

Many new voltage regulators are made for a specific ground (Pos or Neg). If used with reverse polarity the contacts can decay rapidly due to the composition of the contact material being made to prevent metal transfer when connected as sold. There are replica regulators, and non replica regulators made for negative ground, and solid state inside. There are also Echlin and Bluepoint regulators that are of higher quality. Jim
 
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gene bender
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Joined: 28 Jun 2009
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PostPosted: Sun Aug 10, 2014 3:00 pm    Post subject: Re: voltage regulator Reply to specific post Reply with quote

Are you getting the reg that is made for your gen. You need to take the Delco Remy # then get the one listed for that gen and it will be made for pos gnd no wonder they dont last if you are using neg ground. Does your fasten to the top of the gen cause thats the way the C was made but who knows what gen is on there now thats why you need the correct reg for your gen. When it was new it had a cut-out and a wire going to the lite sw for hi charge.
 
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John T
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Joined: 14 Dec 1998
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PostPosted: Sun Aug 10, 2014 3:32 pm    Post subject: Re: voltage regulator Reply to specific post Reply with quote

When you changed polarity did you polarize the Generator BEFORE start up?? If not such can be hard on Voltage Regulators. As noted use a VR that's suitable for your Neg ground and be sure to polarize the genny before start up just to be safe.

John T
 
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teddy52food
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Joined: 05 Mar 2006
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PostPosted: Sun Aug 10, 2014 5:14 pm    Post subject: Re: voltage regulator Reply to specific post Reply with quote

Why is it easier to jump start? Always put + to+ and- to - to boost , no matter which ground. A C shouldn't need a boost if you keep it in good repair. The others give good advise on the regulators.
 
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