You have tripped your anti theft, Mine did the same thing Try un hooking your battery for 2-3 min DO NOT LOCK THE DOOR! and it should start.
If the headlights are not working correctly on a 1990 Corvette, the fuses or lights could be going out. Replace the old fuses and check that all wires connected to the lights are functioning correctly.
i bet it wouldn't be hard to put the headlights on the radeo power that comes on when the ignition is on...
With the modern lights nothing happens.
Do any of your courtesy lights work , or your headlights ? If not , it sounds like a poor cable connection to your battery or a dead battery
Check parking light fuse - should be the same circuit
Turn the headlights on the whole way, then push the headlight knob back in, leaving the parking lights still lit. This will hold the headlights up, without having them turned on.
Nothing happens if you wave at them.
Headlights, interior lights, parking lights,Headlights, interior lights, parking lights,
if you've tried hitting the high/low beam switch & headlights are out on both, then a bad headlight switch or headlight switch plug or high/low beam switch plug not fully engaged.
Should be located just in front of the radiator near the headlights. One on each side.
have you tried turning the ouside dial on headlight switch that dims the gages bright or dull had a similar problem with 98 corvette no dash lights or hvac or running lights turned out to be multi function switch (headlights turnsignals)
Check the fuse for the headlights. It is probably open.