When I put Euro H4/H1 lights in my UrQ I went the extra step and put in the relays for future wattage increases (as soon as just one bulb burns out). You need to run a large gauge wire 0 gauge I believe, from the post on the alternator to a splitter box. I used a streetwires gold plated one, ... Um . . . "0" gauge is a bit of overkill here, I think . . . -RDH