I have a 2004 chevy 2500 hd duramax allison The 7 pin plug does not transfer 12volt to the trailer plug (both the rear or the in box plugs are the same) is their a fusible that has to be added some w...
Thanks for the precious informations, now what is the advantage of powering this wire, will charge the campers batteries? Is it possible to drain all the power from the truck so their is not enough power to start the vehicle next morning? Gaetan