Pontiac Grand Prix (2008) - fuse box diagram - Auto Genius Nov 01, 2018Pontiac Grand Prix (2008) – fuse box diagram. Year of production: 2008. Instrument Panel Fuse Block. Fuse box is locate on the end of the instrument panel on the passenger side. Fuse Box Diagram > Pontiac Grand Prix (2004-2008) Fuse box diagram (location and assignment of electrical fuses and relays) for Pontiac Grand Prix (2004, 2005, 2006, 2007, 2008).