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Fuel level gage and speedometer not working

(1999 Ford Ranger)
in Joliet, IL on October 12, 2010
I believe the speed sensor is faulty but im not sure if its the trans one or rear diff one. as far as the fuel gage I have no clue. Ive been doing a lot of research and havent gotten any answers to why the fuel level gage wont work.
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Popular Answer
on October 12, 2010
For the speedometer: the signal is basically sent from the VSS (vehicle speed sensor), also known as the rear anti-lock sensor. If you have 4 wheel ABS - the ABS control module sends the signal to the speedometer. If you have Rear ABS only, the VSS sends the signal through the GEM (Generic Electronic Module) to the speedometer.

So yes - the VSS is the differential sensor.

For the fuel gauge - it does not move at all? The failure could be a faulty Fuel Level Sensor, the fuel level sender (at the fuel pump), the gauge itself, physical damage to the fuel tank and/or internal parts.

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