Aux feed from 7 pin junction box on 400

AndreO

Has anyone fed a primary wire into a 400 from the 7 pin junction box? Looking to add a backup light but Nucamp didn't run a feed wire into the trailer for it. I belive the access into the trailer is above the grey tank making it inaccessible.

krsmes

You can take the cover off the bottom and access that inlet. It is not above the gray tank. The underside is in thirds… behind the axle is the fresh water, in front of the axle is the gray water, and in front of that is an empty section where I believe this port is