installing a new ignation on toro 825 the wireing does not match the replacement part can not figure out where the blue wire connects to removed the old switch last year and can not locate it now that i have bought this new one all the wires are connected nut the blue one and it still wont fire up how ever ifi by pass the switch it will run when i jump it with a screwdriver. Please let me know if you can help me thankyou oliver