Two issues I've had with senders (beyond a float - that doesn't):
1. The same varnish that can build in a carburator can build up on the wire
resistor and act as an insulator. Lightly sanding it with fine paper
restored contact.
2. I haven't seen the Tiger sender, but there have been times on other
senders where the moving metal parts have been used to carry the electric
signal - and at times won't. A trick I learned racing slot cars back in the
'70 was to solder a flexible wire near the wipe point on the arm to the
connector that transfers the electric signal outside of the tank.
CAUTION use minimal heat I have also lost the seal doing this! JB weld did
the fix.
Tom
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