Try checking the gauges. Remove them and with your variable power supply
vary the voltage going to the gauge. It should peg about 6 volts. Also, if
you ground the sensor wire that gauge should peg. The system is pretty
basic,
battery to regulator to gauge to sensor to ground. At this point pull the
sensor wire loose and ground it. That will do an end to end check of
everything but the sensor. If the gauge pegs then the sensor is the problem.
If
not it is the gauge or wiring. Test the gauge and you will be down to
wiring.
keith williams
ccfcccs
_http://www.clarkcountyferalcats.org_
(http://www.clarkcountyferalcats.org/)
b If Not Us, Then Who? If Not Now, Then When?b
In a message dated 7/22/2009 5:32:53 P.M. Pacific Daylight Time,
stamuki@gmail.com writes:
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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