since you don't have your trailer year/model in your signature nor in your post, it's hard to say.
older trailers often required the battery to be connected when plugged in, for 12v items to work.
also, knowing brand/model of converter would help.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
|