GMC Envoy (2003 - 2004) - fuse box diagram - Auto Genius GMC Envoy (2003 – 2004) – fuse box diagram. Year of production: 2003, 2004. Engine Compartment Fuse Block. The fuse block is located under the hood in the engine compartment on the driver’s side of Fuse Box Diagram > GMC Envoy (2002-2009) Fuse box diagram (location and assignment of electrical fuses and relays) for GMC Envoy (2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009). Fuse box location and diagrams: GMC Envoy (2002-2009 Click to view on Bing2:36See more on our website: https://fuse-box/gmc/gmc-envoy-2002-2009-fuses-and-relay Fuse box diagram (location and assignment of electrical fuses and rela..Author: Fuse Box InfoViews: 12K GMC Envoy - 2004 Fuse Box Diagram if you lock the doors with a key or use the manual door Fuse Box Location 2002-2009 Chevrolet Trailblazer | GMC Envoy Fuse Box Location 2002-2009 Chevrolet Trailblazer | GMC Envoy This guide will show you the location of the fuse box on your Chevrolet Trailblazer / GMC Envoy. At the end of the article, you can also see a complete list of fuse assignments.