Back up Battery doesn't start chassis.

[Terry Madden]

I noticed that a feature I once had doesn't seem to exist anymore, I use to be able to assist my chassis battery for a boost from house battery by pushing a button on the dash, this feature doesn't seem to work. Does anyone have a suggestion for solving my problem.

[mloganusda]

When you use the switch to connect the house batteries and coach battery you need to hold the switch down for about 3-4 minutes to give the house batteries time to bring the voltage up on the coach battery. If this is not working, you need to check to see if the solinoid is working or your house batteries are bad.