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Farmall & IHC Tractors Discussion Forum
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Super H Lights

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Al

07-26-2003 11:58:18




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I have converted my SH to 12 volts and have converted lights. I also had it painted and that seems to have affected the left headlight and rear light. The rear light bench tests in all positions so I am assumming I have a ground problem but have not found it. The head light bench tests ok when I ground to the grounding screw but not to attaching post so I assume I have a ground problem in the light somewhere. I would appreciate any comments. Thanks

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Tim Kincaid

07-27-2003 10:51:30




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 Re: Super H Lights in reply to Al, 07-26-2003 11:58:18  
Check the continuity between the light and the bolt , sometimes the bolt becomes corroded in the area where it is pressed into light , I had one once that I had to spot weld inside the light and it worked fine. See Ya, Tim k.



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Paul in Mich

07-27-2003 07:51:09




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 Re: Super H Lights in reply to Al, 07-26-2003 11:58:18  
Remember that your tractor is "Frame ground", meaning that there are no ground wires. Everything grounds to the frame. If your lights bench tested fine, then you are not getting good ground. When painting a tractor, you must leave the ends of the light bar bare, the inside of the clamps bare, and the end of the clamp that the nut tightns against bare as well. If you removed the light bar from the steering post, then you need bare metal between the two. The best way to check all of this is to buy an inexpensive continuity tester and begin at the light bar to steering post contact. If the light comes on, then you next check the mounting bolt on the light to the clamp, and the clamp to the light bar. Bottom line is that you need direct ground from the light hold down bolt to the steering post. After you get everything installed and have good ground, you can go back and touch up the remaining exposed bare spots with paint if you want to, but it really isnt necessary. Hopefully, you didnt remove the steering post from the deck and paint inbetween, because that area too must be bare metal to metal.

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Al

07-28-2003 07:28:22




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 Re: Re: Super H Lights in reply to Paul in Mich, 07-27-2003 07:51:09  
Thanks to all. I thought as much but did not understand the details. I will clean all those connections. What would I do without this board. You are all so helpful.
Al



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49 Cubber!

07-26-2003 15:53:26




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 Re: Super H Lights in reply to Al, 07-26-2003 11:58:18  
Take some sandpaper and sand the paint off where the light monuts,thatll solve the ground problem.



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