Chevrolet S-10 - 2003 Fuse Box Diagram If the engine does not start after three tries, the vehicle Fuse box diagram for a 2003 chevy s10 - Fixya Fuse box diagram for a 2003 chevy s10 - 2003 Chevrolet S-10. Posted by fmdhector on Sep 08, 2010. Want Answer 0. Clicking this will make more experts see the question and we will remind you when it gets answered. Comment; 2005 Chevy Impala: Fog light Relay and fuse box diagram?