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It could still be a poor ground back at the sending unit. More resistance will cause the gauge to read low.
L = 73.7 Ohms
M = 23.0 Ohms
H = 10.2 Ohms
M would be 1/2 a tank of gas.
Here's the strap that grounds the sending unit. If you haven't checked, make sure you have one. 1966 Dodge Coronet Sending Units | OER K-MF290
It could still be a poor ground back at the sending unit. More resistance will cause the gauge to read low.
L = 73.7 Ohms
M = 23.0 Ohms
H = 10.2 Ohms
M would be 1/2 a tank of gas.
Here's the strap that grounds the sending unit. If you haven't checked, make sure you have one. 1966 Dodge Coronet Sending Units | OER K-MF290
