I'm having a problem with the elctrical connector from TV to trailer. First, it is very hard to push in all the way. I have had to resort to a block of wood and a hammer. Then, once it is in all the w...
Dielectric grease is for low current application. When you mate the connection, the metal scrapes thru the grease and makes contact while the grease prevents corrosion. It should never be difficult to connect a trailer plug. If it is, as others have mentioned, look for damaged pins.