MF 202 key switch problem

KRCHXB

New User
I have a 1959 MF 202 gas with electrical/wiring problem. The key switch has 3 posts on the back of a 4 position switch. Everything I read refers to the ?I? terminal but the only marking on my current switch is what appears to be an ?L?. I bought a new switch but it doesn?t have any lettering on it either. Neither manual (service/owners) has a diagram of the back of the switch. Can anyone please tell me which wires should go on which post. Any help would be greatly appreciated.
 
(quoted from post at 17:13:13 03/29/20) I have a 1959 MF 202 gas with electrical/wiring problem. The key switch has 3 posts on the back of a 4 position switch. Everything I read refers to the ?I? terminal but the only marking on my current switch is what appears to be an ?L?. I bought a new switch but it doesn?t have any lettering on it either. Neither manual (service/owners) has a diagram of the back of the switch. Can anyone please tell me which wires should go on which post. Any help would be greatly appreciated.

I put a new switch in mine. The original switch and the new switch looked like twins. The backs and the terminals all looked exactly the same. What I did was label each wire on the old switch with those little tab number labels electricians use. I numbered the same terminals on the switches as #1. I had no idea where the wires on the old switch actually went.

I just moved them from old switch to new switch in the correct orientation with the number markers and it worked. Sorry I couldn't be more help but this did work for me.
 
Here is what my owners manual says about the switch.

mvphoto51624.png
 
(quoted from post at 19:20:37 03/30/20) Here is what my owners manual says about the switch.

mvphoto51624.png

Well, that's fine but, on tractors this old, one can't really tell how farmerized the wiring is, let alone wire colors. If one can actually trace each wire from the switch to the component that it goes to, it wouldn't be too hard to get the switch wired right. But like I said, one never knows what's been done to one of these old tractors.
 

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