Bought a "52 "A" in good condition. Only thing missing was the generator and voltage regulator. The elderly man selling it could not remember where they went. Anyway, since I want the tractor to be usable at night, with bright halogen lights, a red tail light and a trailer light connection, I decided to use an alternator instead of the generator. A good generator and voltage regulator would have cost much more than a rebuilt 10SI Delco Alternator. ($32.00) The ignition switch was somewhat worn, so I decided to replace it also. Got to thinking about it and got a four terminal ignition switch which fits in the "A" dash perfectly. ($8.95). I built an alternator bracket to fit on the original generator bracket, without modification of the original bracket. Don"t like to chop up good original parts. Once everything was installed, I wanted to avoid the diodes, light bulbs and such that is commonly referred to when installing an alternator. I hooked up the alternator exciter wire to the accessory terminal on the new switch. Then I found that if I reverse the battery wire and the ignition wire on the switch, there will be no feedback from the alternator, to energize the ignition and keep it running with the switch turned off. Also, there is not current flowing to the alternator to run the battery down when in storage. System works perfectly, plenty of amperage for all the lights and a total cost of $41.00. And as I said--No diodes or light bulbs to fool with.
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