Lighting tester, 7-/13-pin, LED
The lighting tester checks the light functions on 7-pin and 13-pin plug connections between towing vehicle and trailer. LEDs indicate which contacts carry a signal.
This helps to narrow down whether a fault lies in the towing vehicle or in the trailer wiring. During the test, switch on the indicators, brake light and tail light one after another and watch the corresponding display.
No reviews found
