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Tractor Talk Discussion Forum

battery and solenoid connections

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George Reed

06-02-2006 15:47:48




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I have a 1971 Ford 2000 3 cyl gas tractor that the previous owner had removed the battery cables and solenoid and never got around to replacing them. I bought a new solenoid and battery cables and ignition switch but had to jump start the tractor. It cranked and ran but when I killed it it would not start again, not even with a jump. The battery got very hot, and when I tried to jump it the jumper cables also got hot. Can someone help me? I have the positive cable from the battery going to the solenoid and the negative grounded to one of the starter mounting bolts. Thanks!

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NC Wayne

06-02-2006 19:06:25




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 Re: battery and solenoid connections in reply to George Reed, 06-02-2006 15:47:48  
Hey George, the "S" post on the solenoid is where you connect the wire from the key switch. This is the post that actually energizes the solenoid and pulls it in to start the tractor. The "I" post is used for a function that needs to energize momentarily as you start the engine such as pulling in a latching type relay, etc. In other words it's dead until the solenoid is energized at which point it becomes Hot with voltage as long as the solenoid is energized. It actually pulls it's power off the same plate internally as the main lug going to the starter motor itself. As far as the main cables, I'm sure, from what you said, you have the one from the battery going to one of the two main lugs on the solenoid and the one from the other main lug going to the lug on the starter motor. Then you have the body of the motor grounded. If this is the case and you have the S terminal hooked to the start wire from the key switch everything ought to be working properly unless there is a problem elsewhere in the wiring. Good luck.

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George Reed

06-03-2006 08:53:23




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 Re: battery and solenoid connections in reply to NC Wayne, 06-02-2006 19:06:25  
Thanks for the info, NC!



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504

06-02-2006 16:17:31




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 Re: battery and solenoid connections in reply to George Reed, 06-02-2006 15:47:48  
Bendex sticking and burnt up the starter,wrong solenoid or wired wrong. That is what comes to mind, happy wrenching.



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George Reed

06-02-2006 16:29:13




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 Re: battery and solenoid connections in reply to 504, 06-02-2006 16:17:31  
Thanks for the info. I had the starter checked at a starter shop and they said it was okay. What about the "I" and "S" posts on the solenoid? I could have them backwards, couldn't I? How do I know?



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Richard H.

06-02-2006 17:26:12




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 Re: battery and solenoid connections in reply to George Reed, 06-02-2006 16:29:13  
George you may want to post this on the Ford forum .
Some how I"m thinkin you may not have the right solinoid..



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