jut got a flagstaff 03. Mint shape. Battery add for the sale of the rig it is a pop's trailer. Don't know how to hookup. The light inside the trailer. Is white ground. This white lead has red tape on it. The cord 30amp rated used the converter to go to the 120 volt house extension cord. The lights . Work on the 130v power. Help. . Don't mind. House wiring. Pretty good at the cars. Fix my own. Get very mechanically inclined. Regards. Wade