Checking ground terminals

Fig 1: Identifying Ignition Switch OFF Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Breakout Box (Connected)

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Switch off all equipment that takes power from the battery (courtesy lighting, radio etc.).
  Fig 3: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  • Connect an ohmmeter between battery negative terminal and #8 and #24 on the breakout box.

The ohmmeter should read approximately 0 Ω for all readings. 

• OK 

  Refer to Reading is OK 

• NOT OK 

  Refer to Value is not OK