Chevrolet Tahoe (2012 - 2014) - fuse box diagram - Auto Genius Jan 04, 2018Chevrolet Tahoe (2012 – 2014) – fuse box diagram Year of production: 2012, 2013, 2014 Underhood Fuse Block The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle. Chevrolet Tahoe - 2014 Fuse Box Diagram Tahoe - 2014 Fuse Box; 2-14. Keys, Doors, and Windows. While the alarm is set, the power. door unlock switch will not work. If the alarm does not sound when it. should but the headlamps flash, check to see if the horn works. The. horn fuse may be blown. To replace. the fuse, see. Fuses and Circuit.