Engine dies, but turn the key off and back on it fires right back up

I'm cleaning the bulkhead terminals and packing the plugs with dielectric grease tomorrow
Dielectric grease is an insulator.

The propper application is a small amount on the inside of the dust boot so it only comes in contact with the ceramic of the plug.

https://www.motortrend.com/how-to/what-is-dielectric-grease/