SeaSense 50080310 Deluxe EZ Troubleshooter II Plug Tester With Cap
Save time debugging trailer light problems with this in-line circuit tester. This Deluxe EZ Troubleshooter II 4-Way circuit tester works with turn signals, taillights, and brake lights. Simply plug tester into vehicle's 4-way flat towing plug. Operate the vehicle's signals, and when power is present, that circuit's green light will glow.
- Plug tester into vehicles 4- way flat towing plug.
- Operate vehicles turn signals: lights and brakes
- When power is present: that circuits green light will low
- Waterproof PVC material