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1.3 Pin assignment on fuel gauge senders
Fuel gauge sender, left-side:
Fuel gauge sender - G- and fuel gauge sender 3 - G237- are ac‐
cessible at front left of luggage compartment.
Preparations
– Remove lining for luggage compartment floor.
– Unscrew cover for sealing flange (left-side) -arrows-.
– Carefully release and unplug electrical connectors -1- and
-2- at sealing flange (left-side).
Assignment of 4-pin connector at fuel gauge sender - G-
1 - Not used
2 - Wiring between fuel gauge sender and instrument cluster
3 - Not used
4 - Earth for fuel gauge sender (sensor earth)
Pin assignment for 4-pin connector at fuel gauge sender 3 - G237-
1 - Switched positive for electric fuel pump
2 - Wiring between fuel gauge sender and instrument cluster
3 - Earth for fuel gauge sender (sender earth)
4 - Earth for electric fuel pump
Audi A8 2003 ➤
Electrical system - Edition 08.2014
86 Rep. gr.90 - Gauges, instruments
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