RV LIFE Forum Hub, Wander The West
Surepower 12023A
I just discovered that my Chevy 2500 diesel (two starting batteries) has a Surepower 12023A wired in place under the hood. As near as I can tell, it goes to the battery, the alternator, the fuse panel with an ignition-lit fuse, and then to the 7-prong plug on the bumper.
Until this discovery, I...