Splice with several cables (branch point)
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Select a butt connector large enough to take the cables to be inserted on the same side.
If a single cable is to be inserted on one side of the butt connector it will more than likely have too small an area compared to the opening in the butt connector.
Strip the cable to double length and bend it double.