Description
Trailer Socket Circuit Light Plug Tester 7 Round Pin RV
12 Volt DC
This is a tester for the trailer light plug.
Analyzes tail light, turn signal and ground connections and
confirms them with bright LED’s
This tester will test the following:
Right Turn
Left Turn
Stop Lights
12V Power supply
Electric Brake Controller
Back up Lights
Ground Wire
(If ground wire is disconnected none of the lights will work)
