The alt is an SI series, as wired it will be fine (reversing the amp gauge is better than getting used to seeing it work backwards) The starter relay is wired with the S small terminal going through the activation coil inside then to ground (mounting bracket), 7 ohms is about right. It is the source of magnetism that moves the plunger and pushes a copper disk against three contacts, connecting them together as long as the S is energized. The big terminal to the battery is the source of electricity to the disk. The other big contact (now connected) is supplying the starter with high current energy. The last contact is smaller, it is connected to the I terminal and that is connected to the ignition coil. It is isolated to prevent the ignition from trying to start the engine, but allow the relay to give bypass voltage to the ignition when starting. Thousands of ohms would be expected, or no conduction. I hope this explains it. Jim
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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