1L243 wrote:
MDKMDK wrote:
Provides alternator charging for the 12V system which is where the slide motors get their power. Usually.
Parking brake usually has to be set, as well.
Better results if you're level. Also.
I know he has two batteries for just the coach the truck has it's own battery. So, wouldn't the slide work on just the coach batteries?
Yes, it might. But the draw down on them will be significant, particularly if they're already depleted after camping for a while. The idea of running the engine is to "help" the coach batteries handle the electrical load which is translated to mechanical power (torque?) from the slide motors, when he hits the "extend/retract" button. Nothing complex, just that the engine alternator is a better/best source of electricity to recharge/replenish the coach batteries while the slide is operating.