Built-in LED lights verify lighting functions and let you know if power is being received from the tow vehicle. Separate LED lights will illuminate for each trailer function. The rotatable puck allows for multiple orientations to match the vehicle connector and keep the LED's always facing up.

Product Features:

• Quick/Easy troubleshooting
• LEDs verify wiring continuity
• Impact and corrosion resistant
• Rotatable puck allows for any orientation to keep LEDs face up
• Rear grommet/ strain reliefs for weatherproofing
• Used on large utility trailers