[Farmall] FARMALL H BATTERY DISCONNECT

[farmallgray at aol.com]

Most race cars are required by rules to have a battery disconnect and it is required
to be on the grounded side of the battery. It is for the same reason that you should always
disconnect the ground cable first when unhooking the battery.
 

Todd Markle 

Spring Mills, Pa.

 
 
-----Original Message-----
From: Darrell Ratliff <dbigdog at columbus.rr.com>
To: Farmall/IHC mailing list <farmall at lists.antique-tractor.com>
Sent: Wed, Oct 8, 2014 2:50 pm
Subject: Re: [Farmall] FARMALL H BATTERY DISCONNECT


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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