I have a 2009 Sierra Class II Trails West SPECIAL EDITION bumper pull four horse trailer, seventeen hand horse fits easily, trailer is extra tall and wide ten ply tires, large tack room, water tank, large hay rack. Interior lamps in tack room, four in each bay and large bright outside lamps 1 above back unloading doors and 1 above tack door. LED tail lamps. Everything works great. Trailer is in...