[Farmall] Farmall H Electrical

[John Wilkens]

Keith, question is are you getting any spark plug spark NOW--since 
the wiring change?  The wire to the coil is hooked up to the wrong 
place/terminal.  You should trace the wire back to the ignition 
switch and make sure there is no juice to it when the switch is off 
(pushed in if you have the original push pull switch).   Unless your 
new coil has an internal resistor you need to have an external 
resistor installed between the long coil wire and the coil (to keep 
the coil from getting too hot and the points from burning).  It seems 
like you have multiple problems with the wiring.  A quick check to 
see if your engine electrical is OK disconnect the long coil wire at 
the coil and temporarily hook up a jumper wire directly from the 
battery (negative post if you have the original tractor positive 
ground) to the coil.  You should get spark at the plugs and the 
tractor should run.  If no spark there is a problem with the coil, 
points, high tension coil wire or condenser.   What's 
happening?          John W.



At 06:13 PM 10/14/2008, you wrote:
>It was getting a spark before the wiring change because it was 
>running.  However, the battery, although new, is not keeping up a 
>charge.  I've used a charger to recharge the battery.  The coil does 
>get quite warm when I charge up the battery with a charger.
>Keith
>   ----- Original Message -----
>   From: John Wilkens<mailto:jwilkens at eoni.com>
>   To: Farmall/IHC mailing list<mailto:farmall at lists.antique-tractor.com>
>   Sent: Tuesday, October 14, 2008 12:13 PM
>   Subject: Re: [Farmall] Farmall H Electrical
>
>
>   Sorry, I thought you were Keith.    John
>
>   Breaker gap for coil ignition is .020" and for magneto ignition is
>   .013".    But your .016" gap should work.
>   Are you getting any spark at the plugs?      John
>
>
>   At 03:46 AM 10/14/2008, you wrote:
>   >MABE I AM WRONG I SET POINTS AT .16 ?
>   >
>   >--- On Mon, 10/13/08, John Wilkens 
> <jwilkens at eoni.com<mailto:jwilkens at eoni.com>> wrote:
>   >
>   >From: John Wilkens <jwilkens at eoni.com<mailto:jwilkens at eoni.com>>
>   >Subject: Re: [Farmall] Farmall H Electrical
>   >To: "Farmall/IHC mailing list" 
> <farmall at lists.antique-tractor.com<mailto:farmall at lists.antique-tractor.com>>
>   >Date: Monday, October 13, 2008, 8:47 PM
>   >
>   >OK, start to see if you are getting spark at one of the plugs.  If
>   >not, see if you are getting current to the coil (use a volt meter or
>   >just see if it sparks at the terminal) with the ignition switch
>   >on.    If you have current to the coil take the distrib. cap off and
>   >see if you can get a spark between the points (with the ignition
>   >switch on) and check the points gap (about .20").  I assume you
>   >didn't pull the distributor shaft out and didn't get it out of
>   >time?  Sometimes a bad condenser can give problems with spark but if
>   >it was running before that's probably not the problem.     Another
>   >unlikely problem would be low conpression but probably not your
>   >problem.  Should be at least 60 lbs (minimal!) to run.
>   >So, if you have in-time spark and compression about all that's left
>   >is fuel.  That's easy to check with a squirt of starting fluid into
>   >the carb.....unless it is flooded :(.
>   >My two cents worth.  I probably forgot something obvious   :).   Let
>   >us know what you finally determine.       John W.
>   >
>   >
>   >At 05:21 PM 10/13/2008, you wrote:
>   > >It's a coil ignition.
>   > >   ----- Original Message -----
>   > >   From: John 
> Wilkens<mailto:jwilkens at eoni.com<mailto:jwilkens at eoni.com>>
>   > >   To: Farmall/IHC mailing
> 
>  >list<mailto:farmall at lists.antique-tractor.com<mailto:farmall at lists.antique-tractor.com>>
>   > >   Sent: Monday, October 13, 2008 6:50 PM
>   > >   Subject: Re: [Farmall] Farmall H Electrical
>   > >
>   > >
>   > >   Magneto or coil ignition?    John
>   > >
>   > >
>   > >   At 03:09 PM 10/13/2008, you wrote:
>   > >   >I've been rewiring my 1948 Farmall H and have run into a
>   > >   >snag.  After installing a new wiring harness, I can't get the
>   > >   >tractor to start.  The engine turns, but won't start.  In the
>   >past
>   > >   >I've replaced the plugs, battery, and voltage regulator...and
>   >the
>   > >   >tractor started.  However after this harness...it won't start.
>   >By
>   > >   >the way, I've polarized the generator and replaced the ammeter.
>   > >   >
>   > >   >Any thoughts?
>   > >   >
>   > >   >Thanks.
>   > >   >
>   > >   >Keith
>   > >   >_______________________________________________
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