HELLO, MY FRIEND HAS A 49 FORD RATROD WTH H4 ADAPTOR AND BOUGHT PROCOMP 2007-2017 JEEP JK/TJ/CJ 7" ROUND LED HEADLIGHTS
HE SAID IT NOT PLUG AND PLAY OPTION SO WHAT TYPE RELAY OR FUSE AND HARNESS KIT SHOULD HE BUY?