GMC Envoy (2005) - fuse box diagram - Auto Genius Dec 12, 2016GMC Envoy (2005) – fuse box diagram. Year of production: 2005. Engine Compartment Fuse Block. The fuse block is located under the hood in Where is the fuse box located on a 2005 GMC Envoy - Fixya Sep 22, 2012Where is the fuse for the master power window switch on a 2004 gmc envoy? There are different layouts for fuses depending on the model envoy you have and the engine size also. I can tell you this, it is always located in the rear fuse panel (see picture of location below) and the fuse will be marked DDR (drivers door module).