Checking the ground wire

Check the wire between 2 in the cable connector and ground point for an open circuit as described in Open-circuit, permanent faults .

Check in particular the intermediate connector in the cable harness (1) for Contact resistance and oxidation .

Do the necessary corrective action.

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.