Diagram of fuse box for chevy astro 1994 - Fixya diagram of fuse box for chevy astro 1994 - Chevrolet 1994 Astro question. Search Fixya Diagram of fuse box for chevy astro 1994 - 1994 Chevrolet Astro. Posted by Anonymous on Jun 02, 2012. so I posted the link for the models I found for chevy van fuse box. Check the attached links,instruction and guides, Good luck 1994 Chevy Astro Fuse block wiring diagram - JustAnswer Jun 17, 20081994 Chevy Astro Fuse block wiring diagram. Customer Question. no lights no power nothing. after fiddling with the fuse box I go I have a 94 Astro van, when I go to start engine I get nothing on dash as far as check engine lite or other lamps and it won't turn over. I replaced ignition switch and starter which didn't help.