Mine isn't 'jumpy' but I have noticed significant inaccuracies based on
the voltage level of my house bank. I can only assume that the level of
the house bank affects the overall DC ground potential on the boat. I
think the sender measures ohms, and the gauge reports the difference in
resistance between two points. Dunno, I just live with it.
BTW, the gauge is wired to the start bank, as is everything on the
panel, as it should be. They're electrically separate, obviously,
except for ground which is common to everything.
Wal
Tom Buscaglia via CnC-List wrote:
Alera's isn't jumpy, it is just off by like 50%. So ,when it reads
empty it still has 1/2 a tank...not necessarily a good thing since I
tend to push things. Just gets me to fill more often. I think I'll
live with it.
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