Welcome to the forum! More detail is needed. There are many external light bulbs on a trailer and we don't know which one you are referring to. Pictures are worth 156 words.
__________________
2006 23B Hybrid with 10k round bar WDH
2011 F150 4x4 SCREW Ecoboost, Max Tow, Integrated TBC, 3.73 LS axle, Firestone Ride Rite airbags.
|