2nd ac unit not coming on

Slojoe72 wrote:
Well new to me motorhome. Just trying to figure stuff out 1 thing at a time. Previous owner not much help. It's a 99 holiday rambler imperial 40' cummins 350.
Only front ac unit comes on when generator is running. Thing I noticed
Motorhome only seems to have one ac thermostat. It's by the dinning room and it's a duo temp electronic thermo. Now there is a 2 wire plug in the bedroom on the one nightstand but nothing connected to it (could that be a place where a thermostat was/goes.
Other thing I noticed was on the electrical panel. The heart interface only says the incoming ac breaker amps says 30.
Sooooooo
Thanks for helping in advance.

First check the 20amp breaker on the generator as it only feeds the rear air and nothing else. Sometime in the future, you might want to think about splitting that circuit with a plug and mounted outlet in the basement, so that you can run the rear air on a separate 20amp pedestal circuit in hot weather and leaving a full 30amps for the rest of coach.
Also, I checked for a newbie 2005 HR owner the other day and found that zone 2 was off. Their thermo was in in the hall and a two zone like mine, which has a sensor in the bedroom as well.
Seems that you got it now, so all is well that ends well.