2000 Lance 920, Battery Not Charging With Alternator?

Lwiddis wrote:
12.56 volts isn’t going to charge a battery. Too little pressure.

X2 One possibility is that the charge wire beween the two batteries is to long/small for even minimal charging. Two methods: Install much larger wire, perhaps 8 ga. Or use a DC to DC charger. There are posts on both of these.