Interior Fuse Box Location: 2002-2009 GMC Envoy - 2006 GMC Click to view0:18The video above shows how to replace blown fuses in the interior fuse box of your 2006 GMC Envoy in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse Author: David Hobbs GMC Envoy (2002) - fuse box diagram - Auto Genius Dec 11, 2016GMC Envoy (2002) – fuse box diagram. Year of production: 2002. Engine Compartment Fuse Block GMC Envoy mk2 – fuse box – engine compartment. The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.