Where is the horn ground wire on a 1993 corvette?

There isn't a single dedicated "horn ground wire" in the traditional sense on a 1993 Corvette (or most modern cars). The horn's ground is typically achieved through the chassis itself. The horn's metal housing is directly bolted to a grounded part of the car, providing the return path for the electrical current.

To troubleshoot a horn issue, check the following:

* Horn Relay: Ensure the horn relay is functioning correctly. This is often located in a fuse block or relay center under the hood or dashboard.

* Horn Wiring: Inspect the wiring harness leading to the horns for any breaks, corrosion, or loose connections. Pay close attention to the connectors at both the relay and the horn itself.

* Horn Fuse: Check the fuse for the horn circuit in the fuse box (usually located inside the car).

* Horn Ground Connection: While there's no single wire, make sure the horn itself has a good, clean metal-to-metal contact with the car's body. Corrosion on the mounting bracket can impede the ground. Clean the mounting points.

If you're still having problems after checking these, you might need a wiring diagram specific to your 1993 Corvette to trace the circuit more precisely. A Haynes or Chilton repair manual for your year and model would be very helpful.