Re: 1940's Farmall H - Replacing Light Switch

Posted by Dave S. on May 19, 2004 at 19:39:48 from (204.95.118.122):

In Reply to: 1940's Farmall H - Replacing Light Switch posted by Brian on May 19, 2004 at 09:23:29:

I have a 45 H with the cutout relay system. On the back of the switch there should be a rectangular piece of formica with a resistor wire wraped around it and the ends of the wire connected to two screws this is the resistor for high and low charge. If this is missing or burned into it will not work on low charge but should still work on high. Also make sure that the switch has a good ground to the case and the case to the steering pedestal or it will not work on high or low charge. The ground is often the problem.

Don't mistake the chargeing resistor with the coiled resistor wire at the top side of the switch, this is for the bright and dim lights.
The CIH dealer said the resistor or the original switch was no longer available. I bought a used one out of a salvage yard. The switches ought to be easy to come by but a good charging resistor may not be. Good luck

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