GMC Sierra mk1 (1995) - fuse box diagram - Auto Genius Jan 12, 2017GMC Sierra mk1 (1995) – fuse box diagram. Year of production: 1995. Instrument Panel Fuse Block. The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block. GMC Sierra mk1 – fuse box – instrument panel Fuse box diagram for 1995 gmc sierra k1500 - Fixya May 25, 2012The relay and fuse is located under the hood on the firewall near battery, also theres a fuse in inside fuse box for injectors, its labeled inj, check that one also, these trucks usauly ene up with bad fuel pumps, test for power at the fuelpump, hope this helps. Aug 31, 2010 | 1993 GMC Sierra K1500.