I cleaned up my gauge voltage reg and re-installed it. This gave me a
credible gas reading, and no temp (but I was sitting in the driveway
not running). So, I went for drive to warm the engine and fill the
tank. The temp may have risen a little but it stayed below the lowest
line. I then filled the tank and it didn't change the fuel reading
(just under 1/4).
So, I bench tested the VR and it seems fine: Starts at source
voltage, holds for a few seconds then pulses between ~0V and 10.5V
(where I had the power supply set).
Put it back in the car, tried it backwards to confirm that wasn't the
problem. OK.
I then bypassed the VR by simply pushing the ignition and gauge leads
together: no movement from temp, fuel rose to about 60% full then held
there.
Any ideas what this is telling me? I would appear that the
temperature gauge itself may be dead, but why the partial operation of
the fuel gauge with a seemingly functioning voltage reg?
--
Dave Riedel
'69 2000
Victoria, BC
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