Rfroad Lighting Handlebar Wiring Harness Kit for 7/8" (22mm) Handlebars — 12V 40A, Illuminated Switch & Dual Output

Rfroad Lighting's 12V 40A handlebar wiring harness kit provides a ready-to-install solution to power and control two auxiliary LED lights from a 7/8" (22mm) motorcycle handlebar with a durable illuminated switch.

This kit bundles a pre-wired 2-lead harness, a weather-resistant rocker switch, and protective components so you can add or replace off-road, fog, or auxiliary lighting without complex rewiring. It’s built for repeated use in exposed environments with an emphasis on safe current handling, corrosion resistance, and simple mounting to common motorcycle and powersports handlebars.

How does the harness protect my vehicle’s electrical system?

The wiring set includes a 40A relay to keep high current away from your switch and a 10A inline blade fuse to guard against overloads. Components are sealed where needed to reduce failure risk from water and debris, and the harness jacket improves heat resistance and abrasion protection.

• 40A power relay for stable high-current switching
• 10A inline fuse with waterproof rubber cap and spare fuse
• High-tensile nylon jacket for heat and wear resistance
• Female and male insulated connectors for secure joints

Will this fit my motorcycle, ATV, or snowmobile handlebars?

The switch is designed to clamp to 7/8" (22mm) diameter bars, the most common size on motorcycles, dirt bikes, ATVs, and many snowmobiles and scooters. The harness supplies two output leads so you can run a pair of LED pods, a light bar plus a pod, or similar auxiliary combos up to the kit’s rated capacity.

• Fits standard 7/8" (22mm) handlebars
• Two output connectors for dual lights
• Supports various LED devices: bars, pods, fog lights
• Total supported load up to approximately 120W at 12V

How durable and weatherproof is the switch assembly?

Rfroad Lighting uses a CNC-machined aluminum housing for the rocker switch, which resists corrosion and stands up to repeated use. The wiring is wrapped in a wear-resistant nylon jacket and includes sealed connectors and heat-shrink tubing to minimize water intrusion and abrasion on trails and roads.

• CNC aluminum switch body for corrosion resistance
• Tested for over 30,000 switch cycles for longevity
• Waterproof caps and sealed connectors to limit moisture ingress
• Heat-shrink tubes included for reinforced splices

How easy is installation and everyday use?

The harness arrives pre-assembled with a 5.5 ft main lead and plug-and-play connectors to simplify mounting and wiring. The switch has a red illumination so you can confirm light status at a glance, day or night, and standard insulated terminals keep wiring tidy during installation.

• 5.5 ft harness length for flexible routing
• Plug-ready male/female insulated connectors
• Illuminated rocker for visual on/off confirmation
• Includes spare fuse and basic installation accessories

Who is this for? Riders and DIY installers who want a compact, reliable way to add or control auxiliary lights on 7/8" handlebars will appreciate this kit. It’s suited to motorcyclists, dirt bike and ATV riders, snowmobile owners, scooter users, and weekend off-roaders who need a weather-resistant switch, safe current handling, and simple, fast installation without full rewiring. If you need a lightweight, protective harness that keeps high current through a relay and presents a clear illuminated status, this Rfroad Lighting kit is built for that purpose.