Fuel Level Sensor G - front-wheel drive, multi-pin connector assignments

Preparations 

Fuel level sensor is located under the floor covering in the luggage compartment.

• Remove luggage compartment floor lining.
• If necessary, fold right backrest of rear seat bench forwards.

Fig 1: Unbolting Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Remove screws - arrows  - and remove access panel.

Fig 2: Identifying Electrical 4-pin Harness Connector

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Carefully unlock and disconnect 4-pin connector - arrow  -.

Fig 3: Identifying Terminal Assignment Of The 4-Pin Connector On Fuel Gauge Sender

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pin assignment for 4-pin connector at fuel level sensor 

1. Fuel pump positive ( + )
2. Sensor to fuel gauge
3. Sensor Ground (GND) ( - )
4. Fuel pump Ground (GND) ( - )