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Old 09-24-2019, 11:40 PM   #4 (permalink)
Glagulator
Diesel Superstar
 
Join Date: May 2005
Location: Very south TEXAS, Formerly Wisconsin
Posts: 3,703

When the fuel gauge signal is lost the gauge will peg full, key on.
Short the purple and black wires at the sender conn. and the gauge
should read empty if the sender is the problem, key on.
If not then the signal is not making it to the gauge or the ground is bad.
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