Four Hy-Power diodes cover all your trailer lighting circuits and more. This set provides the redundancy and coverage needed for complex wiring schemes across dual or triple-axle trailers.

Each unit uses Roadmaster’s proven powder-coated aluminum construction and sealed enclosure to withstand years of vibration, moisture, and road salt exposure.

• 80 Amp capacity each
• Powder-coated aluminum heat sink
• Epoxy-sealed cases resist corrosion
• Set of 4 units