2015 Outdoorsman EcoD CC w/6.4' 4X4
The PTC heaters don't have a fuse off the battery post but three under the cover just behind the battery. There is three relays for the heaters with (3) 50 amp fuses(red). The 60 amp fuse(yellow) is for the glow plugs.I suspect that the PTC heaters work off one of the 3 fuses on the positive post. 1 is for the power steering, I believe one is for the starter. The 3rd could be the PTC heaters.