Wondering how exactly you would wire an electric fan with a relay on your classic car or hot rod? Well, you came to the right place.

OK, I am still looking around for that article on overclockers.com about wiring up a relay to active the pump at the same time the system turns on. But this made me wonder. Could I just wire the ...

Ensure max electric fuel pump output and safety with a relay for no voltage drop, plus an oil pressure switch that won’t let the pump run if the engine loses oil pressure.