12v charge line fuse blown from tow vehicle
the few times I have checked the 30 amp fuse that protects the 12 volt charge line running from the tow vehicle to the trailer, it has always been blown. So it makes me wonder why that’s happening. M...
Forum Discussion
If the 7-pin were all corroded inside, then some of the other pins would not work either, most likely. So if it is only pin #4, keep looking for the cause.
