Perception’s Plug & Play EZY Fit Wiring Harness is the ideal solution for easy fitment of your driving lights. The supplied H4 Adaptor trigger your driving lights from your high beam without cutting or soldering any wiring. Simply unplug your H4 connector at the back of your head lights bulb, plug in our adapter and you’re done! Driving lights will only trigger from high beam, and the switch will act only as an isolator. Contains everything you need to get your lights connected: ON/OFF Switch, 40A Relay, 30A Fuse, ribbed cable protectors, heat shrink wrapped relay. Featuring a total 4.8 meters of wiring (full stretched out) 2.4m of cabling from Relay to Switch 2.0m of cabling from Driving Light connector to Relay 2.0m from H4 Adapter to Relay Total cable length 6.4m 12vDC 30A Rated Fuse Kit 12vDC 40A Switching Relay Push Button ON/OFF Switch UV Rated Insulation Instruction included. 1 x DT connector to connect 1 Light Bar H4 is the most common wiring connects found in most popular makes and models. In the event that your car does not use H4, this wiring harness can still be used to connect to high beam however you will need to cut and join the trigger wires.