HD LED Light Bar Wiring Harness Off Road Relay Switch (40 Amp / 380w)

MSRP: $31.50
(You save $6.55 )

Control the power of your new light accessory without having to splice wires. OPT7 LED Light Wiring Harness easily connects any lighting accessory to its power source by taping into the battery directly.

Universal Fitment
OPT7 LED Light Wiring Harness is compatible with all vehicles or boats that use a 10-30v DC power source. Basically any car battery will work on this wire harness. Just connect your lights to your batter and flip the switch.

8ft of Wiring
The length of this OPT7 Wire Harnesses will allow you to mount your LED light to nearly anywhere you want. Just run the harness from the battery to your desired lighting location.

Early Burnout Protection
LED Lights are expensive and in all cases should be protected against early burnouts. OPT7 Wiring Harnesses achieve this by using silicon infused 14 American Wire Gauge (AWG) cables that better control against voltage spikes and heat. The last line of defense against is the included relay and fuse.

Weather Resistant Protection
OPT7 Wire Harnesses are IP 67 rated and can withstand any rain and moisture while still powering on. Ideal for outdoor use, OPT7 Wire Harnesses are for those looking for a heavy duty harness that's as rugged as their 4x4/ATV/Sandrail.


  • Compatible with all LED light setups
  • 11ft of silicon-infused wiring harness
  • Heavy-Duty 14 AWG cables throughout harness
  • IP67 Waterproofing Rating

Complete Wiring Kit Includes:

  • 8ft Wiring harness,
  • 40A power relay
  • 30A blade fuse
  • Toggle switch (On/Off)

Available in:
Single Light Harness - Mounts a single light bar
Dual Light Harness - Mounts up to two light bars

CA Residents:  WARNING: Cancer and Reproductive Harm -