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Electrical drain

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Ohiosteve

01-27-2003 14:45:28




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Now that I have the hydraulics working well on my 2N I have one last bug to work out. There is a short somewhere that is draining the battery. When
I stop the tractor I disconnect the battery. Sometimes there is enough current that I can feel
a tingle as I hold the battery door with my other hand. I disconnected the generator and no
change. I put in a new voltage regulater/resister.
Still have the drain. Sometimes when I hook up the battery I can hear a slight hum coming from
the resister/solenoid area. Is it necessary to polarize the resister when it is installed? Are these new resisters unreliable when new as are the coils etc.? Any help appreciated. Thanks, Steve

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Ohiosteve

01-27-2003 18:26:03




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 Re: electrical drain in reply to Ohiosteve, 01-27-2003 14:45:28  
Thanks for the replys fellas. I was referring to the
cutout relay in my first post as the resister. I
suppose that is the source of the problem even though it is new. I took the original apart and it was obviously fried. BTW this is a 6 volt system.



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Scott

01-27-2003 16:20:40




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 Re: electrical drain in reply to Ohiosteve, 01-27-2003 14:45:28  
The 2N usually drains the battery when the round cutout (used with the original 1 wire terminal generator) below the battery tray goes bad.



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PaulKC

01-27-2003 15:11:07




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 Re: electrical drain in reply to Ohiosteve, 01-27-2003 14:45:28  
Hopefully you have a good meter, sounds like you're gonna need one. As for the resistor, they don't need polarizing, and I've never heard of a bad one "out of the box". Is your system a 6V or a 12V conversion? You can check the resistance with a meter, it should be ABOUT 1 ohm for a 6V or 1/2 ohm for a 12V. As Dell will tell you, meters aren't real good at measuring low ohms, so as long as you don't have a short, you're probably ok.

If I was going to take a guess at what's causing the hum and the short, I'd take a look at the soleniod. They have a coil in them and tend to hum when you pass a little bit of current through them. If you check the voltage drop across the solenoid, it should read full battery voltage (same as when you measure across the battery terminals), anything less and there's your short.

If the scientific stuff fails, you can also try disconnecting things one at a time and see what makes the short go away. That's generally what I end up doing in the end! Good luck.

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Ohms Law

01-27-2003 19:19:18




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 Re: Re: electrical drain in reply to PaulKC, 01-27-2003 15:11:07  
SHould be 1/2 ohm for 6v... 1 ohm for 12v. E=IR

12=12*1 & 6=12*.5

Geez.... it still works!

Ciao



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