You actually DON'T cut any stock wiring with the harness. I try and design most of my modifications that way. Very hard to repair wiring that has been cut and left out in the elements...

All you need is 2 relays, 2 dead 9007 bulbs and 2 9007 or 9004 pigtails. 3rd gen Dodge Caravans make excellent relay donors and old Ford Taurus's make good donors for bulbs and sockets, as they're really easy to take out. The fuse is easy. Grab a power window or power seat self-resetting circuit breaker from almost any car. Has 1/4" spade lugs for easy installation...