3M Relay Harness Wire Kit 40A 12V LED ON/OFF Switch For Fog Light LED Work lampOverviews:This listing is features one set brand new relay wiring harness with On/Off switch， universal fit for LED daytime running lights， Off-road driving lights and LED work lights. The switch included gives more flexibility controlling the lights.arness For LED Work Light BarFeatures:.Max rated at 40A.IP68 waterproof illuminated on/off rocker switch.40A power relay.40A blade fuse.3 Metres wiring.17ft of 12 gauge wires from battery to light fixture.Accessory included for combining and powering multiple harness of off single switch.Includes heavy duty weatherpack quick disconnect to be connected to apparatus.Available for 10w to 120w led light bar or work lightPackage Include:Comes with relay module box， wiring harness w/ adapters， safety fuse box， and LED indicator on/off switchApplication:.Professionally assembled wiring loom suitable for driving lights..Most of the wire ends are terminated with spade/plug or ring fitting for quick fitment..The on/off switch is press button type with adhesive backing for easy mounting..The switching relay is rated to 40A so you would wire 10 or more driving lights(depending on the wattage).Has a built in 40A replaceable fuse holder too..This is a convenience way to wire your driving lights.Safety Instructions:1. Work under the fix Voltage.2. Please operate in the right way when you install the LED WORK LIGHT in case to avoid the power harm and body harm.3. If any doubt about the installation or use of this products， consult a competent electrician or technician