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John T (Follow up ?)
02-09-2001 05:59:49
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Re: Re: 1941 JD H,Electrical Question in reply to clooney, 02-08-2001 13:01:29
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Hey clooney man how ya been up there in Michigan, hope to see you at Expo. (Did you mean ignition points or cut out relay points???) I dont have a H wiring diagram in front of me (but it appears this is a home made set up anyway with mag removed), but if the lead feeding the ignition switch and coil and ignition points is connected to the ammeter (which is connected to the battery), the tractor will still run (ie wont die at slow idle because cutout relay is open), regardless if the cutout relay to the generator is opened or closed i.e. the coil still gets battery energy, regardless if its 6 volts or elevated to 6.5 if the cut out is closed and the generator is working. While cranking the engine to start it, the cutout relay is open and the battery voltage is drawn way down due to the cranking motor load, but they still start. I wasnt aware of any that fed the ignition circuit from the generator somehow such that they only see the generators output, do they on an H ????? When he asked if the battery were taken out of the circuit it wouldnt run, I know if you take the battery out the tractor will die, unless you have a wiring set up that connects the coil to the generators output and maybe a dummy battery load completing the circuit. On many alternators, you can remove the battery after its running and they will continue to run, but on most battery and VR systems, taking the battery out kills the engine. I dont own an H, but are they wired different somehow such that the ignition points are fed from the generator side of the cutout relay and need or use the generator only to suppy voltage to the ignition points???? Not an H man Ol John T
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