The horn is located on the steering wheel.
There isn't one.
1993 Ford Thunderbird tires are generally 15 inches.
Its located on the passenger side fire wall near the shock tower
The fuel pump for a 1993 thunderbird is located in the fuel tank. the tank needs to be dropped, then the pump is accessed through the tank top.
It should be found close to the oil filter.
The inline fuel filter is located on the left frame rail.
it is located just under the passenger door area mounted in a bracket on the bottom of the car
The 1993 Ford Taurus does have a cabin air filter. It is located near the firewall below the windshield on the passenger side.