Position of Ground (GND) connection

Fig 1: Identifying Connector Is Securely Attached To Metal Ring & Contact Is Hooked Into Fuel Tank

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Route Ground (GND) connection as shown in .
Hook Ground (GND) connection contact - 1 - into opening on fuel tank - 4 -.
Make sure Ground (GND) connection connector - 3 - fits securely at metal ring - 2 - of fuel filler tube.

CAUTION: After installing, check electrical connection of the metal ring at fuel filler tube to a blank portion of chassis using Ohm meter: