Electrical question on the H

Farmall H, HV & Super H, 1939-1954

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Electrical question on the H

Postby Mr E » Fri Apr 30, 2010 7:13 pm

New tractor, new problem. :lol:

New battery, new wiring. Starter just doesn't want to turn the engine over. It cranks so well, this is not usually a problem. But if it doesn't crank on 1st attempt, it turns way too weak.

I have removed the ground cable and cleaned the contact point. No change.

Took the starter button off. Took it apart and cleaned contacts. This did help some for a day or so.

I thought perhaps the wire from the start button to the starter was too small, since it IS much smaller than the cable from the battery to the button. So I connected one lead of my jumper cable (made from welding lead cable) from the starter button to the starter. No change.

If I turn on the lights, they are bright as can be.

Do I have a bad starter? Where do I go from here?

Thanks, guys.


Roy
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Re: Electrical question on the H

Postby Bigdog » Fri Apr 30, 2010 7:24 pm

Roy - your starter may have some drag from worn bushings. But I'd go ahead and replace that small cable with a larger gauge one. Jumper cables don't always give a positive result as they generally make marginal contact at best. Shiny painted tractor usually means poor grounds. Poor grounds means poor starts.
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Re: Electrical question on the H

Postby Mr E » Fri Apr 30, 2010 7:29 pm

Thank you, Sir. I'll replace that and see what happens.

If I can ever get the grand-daughter finished with softball, I'll have more time to play. :mrgreen:
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Re: Electrical question on the H

Postby Eugene » Fri Apr 30, 2010 7:44 pm

Fully charge the battery up, then try again. Then if doesn't work take the battery back to be tested.
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Re: Electrical question on the H

Postby dirtyred » Fri Apr 30, 2010 9:26 pm

i'll look at it tomorrow when i stop by to show off my new cub(s) :wink: :wink: :mrgreen:
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Re: Electrical question on the H

Postby Mr E » Sat May 01, 2010 8:02 am

dirtyred wrote:i'll look at it tomorrow when i stop by to show off my new cub(s) :wink: :wink: :mrgreen:


Thanks, Dave.

Aleisha's regional softball game got rained out yesterday. They are rescheduled for 1:00 PM today @ Santa Rosa Beach, FL. So, I'll be late getting home, unless it gets rained out again. And that looks promising at the moment.

Hope to see you tomorrow.


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Re: Electrical question on the H

Postby Mr E » Sun May 02, 2010 12:39 pm

Eugene wrote:Fully charge the battery up, then try again. Then if doesn't work take the battery back to be tested.


Eugene,
I was busy yesterday, so I did not get the cable replaced. I charged the battery this morning as you suggested.
It started right up!!

I still plan to replace the cable. I think it could be a little bigger. :lol:

Is it safe to "assume" there was enough power for the lights but not enough to turn over the engine?

Thanks to everyone for your help.

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Re: Electrical question on the H

Postby Bezirk » Sun May 02, 2010 2:51 pm

My experiences have been tha using the lights as a guage of battery condition can be very deceptive. I firmly believe in using a " loaded" battery tester to determine the condition of a battery, you can also check the condition of the charging system. I bought mine several years ago ( Schaumaker, is the brand name) for approx. $ 50.00, and it has been very worthwhile in eliminating battery/ charging system problems. I hope this helps. I also suggest that if you have not thoroughly cleaned the battery posts and terminals that you do that also.
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