WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cable Cut
Courtesy of VOLVO CARS OF NORTH AMERICA.
Select a suitable butt connector according to cable area.
Cut the cables
Strip cables to strip length as shown in table above.