Wise-all-knowing Members! I ask this question. Why does my frig. work so wonderfully when plugged into the electric, but just barely cools when run on 12 volt along the road. While running off the 12volt, the frig. just barely keeps the "milk" from warming up, but off the electric it keeps everything very nice, almost to cold. How can I improve the 12volt system to make the frig. colder during travel? It can't be the frig. coolant or the it would be the same electric or 12volt. Must be amount of power it's drawing on the 12 volts system, but two to improve?
Sounds a bit like voltage drop on the 12v supply to the fridge. The cable size wants to be at least 28/0.30mm 17A rated if I remember correctly, otherwise you will get voltage drop and the heater element won't give its full output.
Thanks so far, for the ideas. The back of the frig. gets warm (not hot) with the 12 volt. But it does not even keep ice while on 12 volt. I'm using the electric cable that came with the frig. I'll have to check it's size now. (How can I tell size easily? )
If its getting warm the 12v element is working Over time the fluid gets air bubbles in it, try taking it out and turning it upside down over night then put it back it sound daft but it often works You can read this to understand how it works http://thelatebay.com/index.php?topic=12288.0
