Now you mention it there is a no. 30 between 2 of the large pins ( my main suspect) which I believe is high current in on a relay. None of the other numbers match anyone other relay type numbers as far as I know ( like 85,86,87) could be a coincidence, but if im taking a guess, that’s a good leadAre there no numbers or identification on the switch.
ive been checking continuity on switch assuming the pin with the thickest of the 3 thick wires ( plus 2 skinny wires) is power in. Only able to trace one small pin which goes to solenoid on 2 ignition relays. One of the other pins is only active during preheat on switch, another, on, preheat and start. Of cause I’m assuming the power in is thickest wire. Have printed out 5 more tables to check continuity between all 5 pins and all others in the three key positions. That’ll be tomorrow as I’ve had a beer or three by now. Either that or I’ll connect a wire via fuse to battery to the biggest wire and try it before my brain explodesYou should be able to work it out by Checking continuity on switch