Posted by John in La on June 21, 2014 at 20:06:41 from (96.33.136.54):
In Reply to: Wiring diagram posted by Harley T Brown on June 21, 2014 at 13:57:22:
What are you calling "two solenoids"?
The starter push button is nothing more than a grounding button. It grounds the wire when pushed. Because of this you need the correct relay. Ford part # 311006. This interchanges to Napa ECH ST542 or BWD S103. Armed with these part #'s you can get the proper relay at any parts store; but they may have to order it.
The relay needs keyed power to one small post and the other small post gets hooked to the starter button.
Now for the complete wiring diagram. We will have to assume you are using a Delco 10si alternator. Very popular for this conversion. I will have to show you a wiring diagram from a earlier model tractor since you have replaced the fuel gauge with a amp gauge; but will tell you the differences so you can make it work.
I showed you this diagram because it shows the amp gauge where as your tractor used a idiot light from the factory and replaced the amp gauge with a fuel gauge. It uses a 12 volt coil Napa part # IC14SB. If you want to use your original 6 volt coil you will have to add a 12 volt to 6 volt resistor inline just before the coil. The only difference in this diagram and your correct diagram is the starter relay. This one shows only one small post where as your later tractor has two small post. Just follow this diagram and add a wire from the second small post on the relay to the terminal block post that is marked "switched"
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