Home made trailer light tester. Pictures are of one I made in the past, I will get current pictures soon, but very similar.

Click each switch to test the following lights

-left turn/brake

-right turn/brake

-running lights

-trailer brakes

-reverse (if equipped)

***Message me and let me know what you’d like to power the box with. I can make it with adapters for any power tool (or simply a lawn mower battery)

-lawn mower battery attachment (or any small machine, motorcycle, Atv battery)

-Milwaukee 18v

-Milwaukee 12v

-Dewalt

-Ridgid

-Makita

-Craftsman

-Ryobi

-Bosch

And MORE.. just message me to see if I have the adapter

**message me with any questions