Fuel pump turns on when positive cable connected then won't start

Hello, there needs to be further troubleshooting happening here to find out what's going on. Is the fuel pump working or not? Is the anti-theft system preventing starting? Too hard to say until more information is known.

Copy and paste the link below - - See *fuel pump relay* in diagram illustration. https://www.autogenius.info/cadillac-deville-1996-fuse-box-diagram/