My Power Gear jacks just quit on me. I had the jacks extended and was level but decided to move coach forward. I retracted the jacks and everything was fine ,I went to extend and they would not exte...
Just an observation, you said you have the emergency brake on but do you have the gearshift in PARK and the engine running? With the engine running the alternator will be putting 13.5 volts into the battery. Give it a try