FORE & AFT MARINE
TRAILER LIGHTS
Trailer Circuit Tester
Tail Light Tester
Save Time de-Bugging Trailer Light Problems! Turn Signals - Tail Lights - Brake Lights. Directions Plug tester into vehicle's 4-way flat towing plug. Operate vehicle's turn signals, lights and brakes. When power is present, that circuit's green light will glow.
SS-50080304(List $ 9.69)$4.99