Interior Fuse Box Location: 2006-2010 Hummer H3 2008 Click to view0:18The video above shows how to replace blown fuses in the interior fuse box of your 2008 Hummer H3 in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power Author: David Hobbs Hummer H3 (2005 - 2006) - fuse box diagram - Auto Genius Nov 01, 2018Hummer H3 (2005 – 2006) – fuse box diagram. Year of production: 2005, 2006. Engine Compartment Fuse Block. The engine compartment fuse block is located on the driver’s side of the engine compartment.