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You need the switch to go with the type ignition you have, points ignition, SSI ?

Is that 67 the same system you have ?
 

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Plus the 67's had no solenoid. Instead they had the heavy terminal ignition switch where all the current went through the switch.
Some tractors with S/G used the solenoid (later ones) and some (earlier) didn't.

Correct me if I'm wrong but just because it has a S/G doesn't mean it takes a particular switch. Tractors with S/G came both ways-- with solenoid and without soleniod.

As far as I know all the 67 10hp were points engines.
 

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Plus the 67's had no solenoid. Instead they had the heavy terminal ignition switch where all the current went through the switch.
Some tractors with S/G used the solenoid (later ones) and some (earlier) didn't.

Correct me if I'm wrong but just because it has a S/G doesn't mean it takes a particular switch.
No your right, the S/G does not call the shots, the engine ignition does. I think that's what you ment ? You can add a solenoid and use a different switch with small wires, Im not sure if they ever came that way, but you could be right. 1970 still had heavy wires, least mine did.
 

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Discussion Starter #6
So what does that mean. Here is the model number on the engine 143.579072 I believe I have points. Did I get the right switch? I got the one with the heavy lugs on it? Pete
 

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Discussion Starter #8 (Edited)
I am really confused now. Not sure if the one I got was correct or not. I believe it is the switch for the SSI Ignition. Will this work on the points ignition? I looked up tractor model # 917.25470 which is a 70 Custom10xl. It calls for a 7486H which the switch I got replaces. That model tractor had a 10hp SSI Engine with no solenoid. The wiring diagram is how I am going to wire mine. Will this switch work if my engine is a points engine with no starter solenoid? Thanks Pete
 

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Going by the part numbers, the switches are different between the points and ssI.

Maybe someone else will have some input, I would use the wiring from the tractor the engine came from if it has a different ignition system.
 
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