Posted by Steve@Advance on October 04, 2016 at 20:19:44 from (107.203.134.67):
In Reply to: wiring question posted by apilato on October 04, 2016 at 19:34:15:
The TO30 does not have, nor does it need a starter solenoid. What you are seeing is a heavy duty starter contacter that closes when you push the start lever. The reason it is getting hot is because there is a high electrical resistance for some reason. Could be a loose cable, a bad cable connection, the contacts are dirty, burned or worn, or the switch is out of adjustment and is not closing tightly.
The problem was probably there with the 6v starter, but with the 12v starter it was made more noticeable since the 12v starter draws twice the amps.
Take a look at the switch area, correct the heating, and the starter will work much better.
As for not shutting off when the ignition is off, that can be an alternator wiring problem. Do you know what type alternator it has? If it is a Delco "3 wire" type, there needs to be a resistor or diode in the wire from terminal 1 to the ignition switch.
Or, there could be a wiring problem, could be the ignition switch. Just have to do some testing and inspecting to find the problem. Look up under the dash, if anything is growing green corrosion, there is a potential problem.
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