I don't have an '85 Cadillac, but with carburated engines the easiest way to start them after runing out of gas is to open your airfilter and pour gas directly into the carburator. I :}
Most likely a blown fuse
If you can verify that water is flowing freely through the entire system then I would check for an exhaust leak into the water jacket. Possibly a blown head gasket.
after replacing the stearing colum what would cause it not to start. You may have disconnected the ignition switch.
It does take a little while to pump fuel back up; however ,I would remove the air intake and spray some gas into it if need be.
you probably would first start out with replacing the headlight bulbs then work to the dimmer switch and electrical system from there you probably would first start out with replacing the headlight bulbs then work to the dimmer switch and electrical system from there
The places to get a Cadillac radio are many and varied. The best place to start would be Amazon. If you are on a tight budget, a good option to try would be eBay.
It would help to know what year and model you have but if it is fuel injected try replacing the engine coolant sensor.
Start by replacing the battery in the remote.
If the toilet is running from the fill valve and it needs replacing, i usually charge $150. if it is the flapper that needs replacing i charge $99. These are usually the 2 places you fix a running toilet. I would say between $75-200 for the repair. I live in Los Angeles area
The ignition key chip
I would try replacing the fuel pressure regulator. That was my problem.
I would suspect fuel delivery problems. Start with replacing the fuel filter. If it still has trouble have a fuel pressure test done to test the fuel pump and fuel pressure regulator.