How to make your Halogen Headlights BRIGHTER | Easy-Install Relay Harness 

If you have a classic car or truck with Halogen Headlights, you'll often find them quite dim. This simple relay harness will reroute power directly from the battery to the headlights for a brighter output, increasing safety and visibility on the road!
Purchase them here:
H4 Kit: upcarparts.com...
9005/9006 Kit: upcarparts.com...
9007 Kit: upcarparts.com...