Itinerant1 wrote:
I remember reading a thread on another forum that the person added a on/ off switch on the dash so that the charging to the batteries could be turned off during the drive so not to hold the batteries at a high voltage once it was charged. I don't remember all the exact details.
And a possibly more temporary option might be to simply pull the trailer power supply fuse (normally supplies the 7 pin plug) inside the under-hood fuse box - there’s usually a printed fuse diagram just inside the lid...
3 tons