Your tow vehicles battery will be used to operate the brakes, lights etc . as long as you have the proper connection on your tow vehicle and your pig tail is in good operating on your trailer. When you make the connection, double check it that it is working.
Lou
2013 Sol Aire Eclipse 269 BHDSK Trailer by Palomino . Tows like a dream with our 2016 F250 6.2L gas Crew Cab & parks extremely well in our short driveway with our Park-it 360XL electric trailer dolly[/]
Have a great 2016 Camping Season!