Description Converts 3-wire system to 2-wire trailer light wiringPotted enclosure significantly increases water and vibration resistance4-way flat output connects tail lights, brake lights and turn signalsConstructed with SMT circuitry for better performance and durabilityImproved overvolt, electrostatic discharge (ESD) and short-circuit protectionColor-coded wires with wiring guide for easier installationSnap locks included for fast, secure splicing