Hi all The info you have all given is really great .I do have one quick question though.I am told the "new era "brand are great relays for headlights and I noticed they come in 15,20 & 30 amp units .My spotties have the 30 amp unit. I am thinking they are the one to go for if upgrading the feed wires to the relay and the 15 amp units would be fine if just using +50 and not going up to the 100/130's...is this correct.Thanks for the advice