Posted by 1957Ford600 on June 05, 2018 at 09:07:32 from (69.179.32.128):
I have a 57 Ford 600 that I converted to 12 volt years ago and it has worked great for years. I ordered a solenoid from a tractor supply but it is a four terminal rather than the old three terminal. The old one worked with the push button start which is a ground button but that no longer activates this solenoid. I know that some solenoids have a grounded base and others don't. Using an ohm meter, I have full continuity between the base and S terminal and the needle only goes half way between the base and I terminal. Also the needle goes half way between the S and I terminals. I've been told I need to run a positive lead to the S terminal and not use the I terminal at all. Is this accurate? That would mean replacing the push button which has a single terminal with one with two terminals. Rather than experiment and short things out, I would like to know if this is correct. If I don't use the I terminal, how do I run power to the coil? It may be easier to just find a coil with only three terminals, but I have four old tractors all wired differently and would like to understand how both a grounded base and non-grounded base solenoid should be wired. Thanks for your help. Russ
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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