This is a 4 pin to 7 blade plug and play cable that adapts your civilian vehicle with a 4-pin connector
Roof grab rails are available as an option in the pricing area
so likely this is good for up to a 16 foot long trailer bed
Military Vehicle to Civilian Trailer
It is the most heavy duty brush guard that was ever installed on a military Humvee
12 Pin Military Vehicle Power Cable (A) to 7 Blade Civilian Trailer Adapter Connector FMTV and LMTV Options:Cable A Only This is a 4 pinTow your civilian trailer with just about any military vehicle including FMTV, LMTV, Humvee, Army Jeep all variants, Deuce, CUCV, etc. The cable is a48" inch long Plug and Play Military Vehicle to Civilian Trailer Adapter that works for almost any military vehicle including the Humvee, old Jeeps and Deuce or CUCV, etc. US and NATO compatibility Waterproof Dustproof Heavy duty Remains flexible in extreme cold temperatures Optional add on for all