Install the cable holder and plastic cap

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Plastic Cap And Cable Holder

Courtesy of VOLVO CARS OF NORTH AMERICA.

Install:

the cable holder. Tighten the nuts, Tighten to 10 Nm
the positive cable and integrated relay/fusebox nut. Tighten to 25 Nm
the screw on the clamp around the positive cable
the plastic cap at the positive cable.