Power to Rig
We own a 30 foot, 12 volt fifth wheel which we keep in storage. I take my batteries out after every use to take them home so I can keep them charged. Today, we went by to check on the 5er and needed...
Forum Discussion
The negative terminal on your truck battery should be connected to the wires on your trailer that connect to the negative terminals on the trailer battery and the positive terminal on your truck battery to the positive terminals on your trailer. If you had them reversed you have blown the reverse polarity fuse on the trailer and possibly a second reverse polarity fuse on your trailer's converter.
