LEADTOPS LED Light Bar Wiring Harness — 400W Wireless Strobe Kit with RF Remote, 40A Fuse & IP56 Switch

LEADTOPS Heavy Duty LED Light Bar Wiring Harness is a complete 12V–20V relay kit with a 40A fuse, two-output 10-foot cable, IP56 illuminated rocker switch and RF remote for on/off, strobe and flash modes—built to power up to 400W of auxiliary lights safely.

This wiring harness is designed to simplify powering off-road and work lighting by putting the relay, fuse protection, switch and remote control into one rugged assembly. It provides two leads so you can run and control two separate fixtures or a dual-connection light bar without tapping directly into your vehicle’s wiring. The kit balances heavy-duty current handling with easy installation, making it suitable for trucks, SUVs, ATVs, boats and service vehicles that need reliable auxiliary illumination.

How does this harness protect my vehicle electrical system?

The LEADTOPS harness uses a 40A power relay and a pre-installed inline blade fuse to prevent current surges and protect wiring from overload. The relay takes the heavy current load away from the vehicle switch circuit, reducing heat buildup and wiring stress.

• 40A relay and 40A power fuse for consistent current control
• Inline blade fuse to stop overcurrent events
• IP56-rated illuminated rocker switch for splash and dust resistance
• Built-in surge regulation to reduce risk to vehicle electronics

Will this wiring kit fit my light bar and vehicle?

The harness supports standard 12V systems and is rated for 12V–20V operation, with outputs sized for LED, HID or halogen bars up to approximately 400 watts. The pigtail offers up to 10 feet of cable and two output leads, making it compatible with most 7"–52" light bars and many aftermarket lighting assemblies.

• Operating voltage: 12V–20V for common automotive systems
• Two output leads for dual fixtures or bi-connection light bars
• Approx. 10ft cable length for flexible mounting locations
• Works with LED, HID and halogen bars within wattage rating

How do the control options and modes work?

You can operate lights with the illuminated on/off rocker switch or the included RF remote for wireless control. The switch supports normal on/off and selectable flash/strobe modes to add visibility or signaling without additional wiring.

• Illuminated IP56 rocker switch mounted for dash use
• RF remote offers wireless on/off, strobe and flash
• Switch modes selectable for steady or attention modes
• Simple plug-and-play connections minimize installation time

What should I expect during installation?

Installation is straightforward for anyone comfortable with basic vehicle wiring: attach battery leads, ground the harness, route the output leads to your light bar, and mount the switch. The relay handles the heavy load so the dash switch only needs a small trigger feed.

• Connect positive to battery via fused lead, ground to chassis
• Route two output leads to light bar terminals
• Mount illuminated rocker switch in dash or panel cutout
• No additional relays required for rated loads

Who is this for: The LEADTOPS Heavy Duty LED Light Bar Wiring Harness is aimed at off-road enthusiasts, fleet and service vehicle owners, emergency responders, and DIY installers who want a rugged, protected and remotely controllable power solution for auxiliary lighting. If you need a reliable harness with surge protection, wireless control and room for two light outputs—backed by a 12-month warranty and 30-day money-back window—this kit is built for that role.