Remove the screw and the tie strap for the cable harness and the ground lead

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: Ground Lead Screw And Cable Harness Tie Strap And Bracket

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove

the screw in the bracket for the cable harness
the tie strap at the cable harness
the ground lead screw (under the starter motor).

Tie the cable harness to the intake manifold.