1999 GMC Sonoma V-6 Inside Dash Fuse Box DIagram 1999 GMC Sonoma V-6 Inside Dash Fuse Box Map Fuse Panel Layout Diagram Parts: I/P fuse block, front side door, panel dimmer switch, headlamp switch, instrument cluster, power distribution center, daytime running lamps control module, I/P wieing diode module, console courtesy lamp.