[Bricklin] Fuel gauge troubleshooting

[George Malaska]

Scott, have you checked the ground on your sending unit? Clean it where it
goes to the frame. Sometimes even this is not enough. Try running a ground
from the battery direct or at least from another spot on the frame. I have
found this to be the problem on a few cars. I have even gone so far as to
install another ground from the pipe on the sending unit to the frame. I use a
mini clamp to secure the wire to the pipe and then find a clean spot on the
frame for the other end. Hope this helps.
George.
  ----- Original Message -----
  From: isensee at aol.com<mailto:isensee at aol.com>
  To: bricklin at autox.team.net<mailto:bricklin at autox.team.net>
  Sent: Sunday, April 18, 2010 6:02 PM
  Subject: [Bricklin] Fuel gauge troubleshooting


  For several years, the fuel gauge on my '75 Bricklin read incorrectly. It
  would read about 1/2 tank when the tank was full and go to empty long
before
  the tank was empty. At random points in between, it would drop to empty but
  then come back up again. Recently, the gauge started reading empty all the
  time. This seemed like classic signs of a bad sender unit so I replaced
that.
  Unfortunately, that hasn't fixed the problem, the gauge still reads empty
all
  the time.

  So, to troubleshoot this, I pulled off the connector at the back of the
gauge.
  The gauge then went to full. When I jumper this connector on the back of
the
  gauge to ground, it goes to empty. Putting a variable resister from the
gauge
  to ground, it always reads empty. So it seems like the gauge is not
responding
  to resistance as it should. Does this indicate a problem with the gauge?
Any
  suggestions what else the problem may be and how to troubleshoot it any
more?

  Scott
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