You can hook it up on an independent 12v source (ie cig lighter, ign circuit, or off of a different source) then hardwire it's own switch in.
thats your best bet so that theres no chance they would be on when the trucks off to drain the battery. most fog light kits you get come with the wiring kit and switchYou can hook it up on an independent 12v source (ie cig lighter, ign circuit, or off of a different source) then hardwire it's own switch in.