Tuesday, Feb 02, 2010 at 16:31
I would be concerned that you have only got 11.8v at the fridge end.
Assuming that you have 13v when engine running.
Did you measure the volts at the fridge end with car running, and fridge on???
To measure real voltage drop you need to have your planned loads on and measure when there on, as it will give you a better idea of real voltage drop.
There may be a part of your system that when under no load shows an acceptable drop, but once you put it under load, fails badly.
Let us know.
T
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