40 Ford Ignition Woes

[glennpm]

Originally Posted by Doublepumper

The contacts in the switch aren't robust enough for much amperage draw. A good fix (in my opinion) is to install a relay to power everything up through the switch. Going this route, removes the load on the contacts. The switch now only activates the low amperage relay coil.

The relay is a good change.
I have a master battery cut-off switch on the seat riser of my '32. Most of the time I turn the ignition switch on and then flip the master switch on to protect the ignition switch.