I hope you guys notice from my original post that I'm really a
when it comes to electronics. Now I have to learn about diodes and capacitors?
That drill bit is looking like the more attractive option
How about this?
I have a new Lucas 3 position headlamp switch, where position 1 is off, 2 circuit "a" only, and 3 is circuit "a" and "b" both on. I'd wire the fuel pump to 2, and the Accusump pressure switch to 3...
Seems simpler, I'd replace the fuel pump switch with this; same 5/8" hole.