Jetta L4-2.0L (AEG) (2000)
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Remove wires from sensor connector and clean connector housing.
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Cut brown/white wire from sensor harness and tape back into harness (see above - Unused wiring, taping back to harness).
Using light yellow splice connectors Part No: 111971941A:
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Adding wire as necessary to reach sensor, splice appropriate wire with terminal on brown/white wire of overlay harness.
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Insert terminal from overlay harness into appropriate cavity of sensor connector.
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Install new wire with terminal on remaining factory harness wire using appropriate connectors/wires from the VAS 1978 kit.
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Insert into appropriate cavity of sensor connector.
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Reinstall connector on sensor.
Fuel fuel gauge sensor overlay harness, preparing for Diesel vehicles
Tip:
Vehicles with TDI engines do not use an in-tank fuel pump.
For vehicles with TDI engine, perform the following prior to installing harness:
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Remove wire terminals from fuel pump harness connector -A- and discard connector.
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Cut terminals from two large wires, fold and tape wires (Blue/red and brown at both ends of harness) back into harness using vinyl tape (see above -
Unused wiring, taping back to harness).
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Insert two small wires from overlay harness into appropriate cavities of two wire fuel gauge sensor connector -B- (provided in kit).
Fuel pump / fuel gauge sensor overlay harness, preparing factory harness
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Disconnect fuel pump / fuel gauge sensor connector including cable guiding.
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Loosen fuel pump / fuel gauge sensor wiring harness from its attachment point below the seat belt on passenger side "B" pillar.
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Remove tape covering from wiring harness, starting where fuel pump harness joins the main harness (arrow) and working forward to a point approx.
5 cm (2 inches) in front of the attachment point (loosened earlier at "B" pillar).