Interior Fuse Box Location: 2005-2011 Cadillac STS - 2005 Click to view0:27The video above shows how to replace blown fuses in the interior fuse box of your 2005 Cadillac STS in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power Author: Lake Ford Interior Fuse Box Location: 2003-2007 Cadillac CTS - 2004 Click to view0:27The video above shows how to replace blown fuses in the interior fuse box of your 2004 Cadillac CTS in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power Author: Reina Cadillac STS (2007) - fuse box diagram - Auto Genius Cadillac STS (2007) – fuse box diagram. Year of production: 2007. Underhood Fuse Block. The underhood fuse block is located in the front of the engine compartment on Fuse Box Diagram > Cadillac Fuse box diagrams (location and assignment of the electrical fuses and relays) Cadillac.