There's one exception to this I would add. I've wired in a timer circuit on the fridge so that I can set it to stay on for a fixed amount of time after engine shutoff when running on DC (adjustable 0-60mins, I usually set it for 45mins). This way if you stop for gas or a quick lunch the fridge doesn't miss a beat, but you'll never run down your spare battery too far.
On Fri, Jun 1, 2012 at 9:39 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote: > As wired from the factory the fridge only works on 12 volt while the engine > is running and the alternator is actually working. There is a relay under > the driver's seat and one of the fuses near the driver's door is for this > circuit. The fridge is an absorption unit so it is a heater that makes the > thing work. It draws ~7A/H so it really is not practical to run it off a > battery with the engine not running. > > Dennis > > |
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