The wiring for most factory headlight set ups can only safely handle ... with the performance of the IPF harness and Super Clear H4 bulbs. The path ahead is well lit with just the low beams ...

It’s a ready-made wiring harness assembly that has everything necessary for connecting a pair relays to an H4 motorcycle headlight. A dual H4 bulb kit is also available for $5.00 more. The harness ...

Factory lights don't always give you the best visibility, especially when navigating dark roads. Fortunately, we have compiled a list of the top-reviewed project headlight bulbs, according to ...

Also available from ARB are IPF high-performance H4 bulbs in 80/110-watt ... bulbs require the IPF High Performance Wiring Loom because most factory headlight wiring is only designed to safely ...

They also draw less power than a typical halogen bulb; our H4 kit ... LED headlight system using diodes and circuits from an engineering supply outfit, and constructing your own wiring system.

The back of an H4 headlight bulb has three prongs attached ... power directly from the battery to the headlights will increase the brightness of the bulb, because wiring harness losses are eliminated.