K2543 Inition kit for Mc Cormick tractor with 6V battery

Hello,

I think I 've found a solution.

Inverting all the diodes and replacing the NPN transistors by PNP transistors (2N2219 by 2N2905A and TIP162 by a PNP power transistor, for instance MJ15025).

What do you think of it ?

Marc,