Quote Originally Posted by Fatcycledaddy View Post
I have been doing this for years, have this hookup on the old Bunkhouse camper and the 2015 spyder, and have the setup on the Aspen camper and the 2022 spyder.
I ran a fused link from the battery to a 7way connecter, then the trailer plugs in and charges as I drive.
Here are a couple of pics. I have a seperate fuse block in the camper also. All current runs through that fuse box befor charging the two battries.

IMG_20180530_143425_01.jpgIMG_20180530_143425_01.jpgIMG_20180530_143556_01.jpg20210615_204957.jpg
Wiring diagram please