[Farmall] FARMALL H BATTERY DISCONNECT

Ed Greany crest25 at verizon.net
Wed Oct 8 12:59:24 PDT 2014


Darrell,

I agree with you although I did not write the posting you are replying to.

Ed


On Wednesday, October 8, 2014 11:44 AM, Darrell Ratliff <dbigdog at columbus.rr.com> wrote:
 


Ed – I have to respectfully disagree.  Opening either leg will disconnect the battery from any possible current path.  A short to ground cannot conduct current unless one end of the battery is connected to ground.  An open disconnect in the ground lead cannot carry current.

From: H Page 
Sent: Wednesday, October 08, 2014 2:23 PM
To: Farmall/IHC mailing list 
Subject: Re: [Farmall] FARMALL H BATTERY DISCONNECT

I believe putting the switch on the hot side will keep the battery charged even if there is a short in the electrical system.  If it is on the ground side a short can still discharge the battery.

      From: Ed Greany <crest25 at verizon.net>
To: Farmall/IHC mailing list <farmall at lists.antique-tractor.com> 
Sent: Wednesday, October 8, 2014 11:16 AM
Subject: Re: [Farmall] FARMALL H BATTERY DISCONNECT
  
Hi Richard,

I'm in Pinon Hills and have a 46 Model H.
I don't think it depends on which terminal you attach your switch to. Either way will block the circuit. I attached mine to the hot lead.
My former owner also installed the On/Off switch upsidedown so when it is in the ON position, it is really OFF and visa versa. The reason. To keep juveniles from playing with it when it was parked unsupervised and they wouldn't be able to start it.

Ed


On Wednesday, October 8, 2014 7:39 AM, Richard Pope <popeman at verizon.net> wrote:



Long time reader, first time post.
I just bought a restored 1950 Farmall H.  Three days after bringing it home from Phoenix, AZ, I took the tractor to it's first event.  Wasn't I surprised when it had a dead battery and I couldn't even get it off the trailer.
I have purchased a NAPA battery disconnect switch, part # SW181.  The H is positive ground, which is new to me.  My 1953 Super M is 12 volt negative ground.  Anyway, which cable do I install the switch on?  The positive side of the battery going to ground?  I want to be able to park the tractor for several weeks at a time and not have a dead battery when I go to start it.
Thanks,

Richard Pope
Apple Valley, CA
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