I have a slight problem. Ever since i purchased the car, the fuel gauge always reads FULL. However, the fuel low light works, so my best guess is that the fuel tank sender is still operational.
Symptoms:
* Fuel gauge is always full
* Fuel low light WORKS
* Temp Gauge WORKS
Probable Causes:
* Ground Nut is loose (checked)
However, i checked that the ground nut is not loose, and opened up the cluster to clean up the ground contact of the fuel and temp gauges
* Sender is bad? (not checked)
* Wires between the sender and cluster is bad? (not checked)
Question:
* if my low fuel light works, does that mean my ground on my cluster is working?
* also, if my low fuel light works, does it mean the sender works to some degree?
* could i just have a bad fuel gauge? if it always reads full? (when the engine is off , it reads empty )
* what is the resistance in ohms when the gas is full , vs when the gas is empty?
* does the sender has 2 independent systems for activating the empty light as opposed to the gauge?
hypothesis:
* if my grounding was wrong to my cluster, i would read empty on my fuel gauge?
* thus, since the resistance of the fuel gauge, since it reads full , would be near 0-5 ohms
* therefore, there is probably a short somewhere, such that, it always reads very little resistance.
* my fuel low light works, because it is a different pin, which is not shorted.
* also, due to the fact that my low light works, the sender ballast works properly?
Symptoms:
* Fuel gauge is always full
* Fuel low light WORKS
* Temp Gauge WORKS
Probable Causes:
* Ground Nut is loose (checked)
However, i checked that the ground nut is not loose, and opened up the cluster to clean up the ground contact of the fuel and temp gauges
* Sender is bad? (not checked)
* Wires between the sender and cluster is bad? (not checked)
Question:
* if my low fuel light works, does that mean my ground on my cluster is working?
* also, if my low fuel light works, does it mean the sender works to some degree?
* could i just have a bad fuel gauge? if it always reads full? (when the engine is off , it reads empty )
* what is the resistance in ohms when the gas is full , vs when the gas is empty?
* does the sender has 2 independent systems for activating the empty light as opposed to the gauge?
hypothesis:
* if my grounding was wrong to my cluster, i would read empty on my fuel gauge?
* thus, since the resistance of the fuel gauge, since it reads full , would be near 0-5 ohms
* therefore, there is probably a short somewhere, such that, it always reads very little resistance.
* my fuel low light works, because it is a different pin, which is not shorted.
* also, due to the fact that my low light works, the sender ballast works properly?
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