GMC Terrain (2013 - 2016) - fuse box diagram - Auto Genius Jan 01, 2017GMC Terrain (2013 – 2016) – fuse box diagram. Year of production: 2013, 2014, 2015, 2016. Engine Compartment Fuse Block GMC Terrain – fuse box – engine GMC Terrain - 2013 Fuse Box Diagram GMC; Terrain - 2013 Fuse Box; Instruments and Controls. 5-5. Avoid covering the GPS antenna, located on the roof, for long periods. of time with objects that may. interfere with the antenna's ability to. receive a satellite signal. The. compass system is designed to. operate for a certain number of.