If we blow the horn, it makes the noise but blows the fuse instantly. Replace the fuse - same problem. Is this a shorted element in the horn(s)? What is proper sequence for troubleshooting? If we need to replace the horns, how do you get to them? I can see them, but need to know best approach for removal.

Thanks for any help.

 

i would check the wires first maybe one of the is frayed and grounding out. could also be the clock spring in the colum but that would be the last thing i look at. geting the horns out is easy. there is a plastic panel under front of the car held in by a few screws take that panel down and its right there

 

Check the wires, my SS had a frayed wire resulting in just one of the two horn tones working due to this...

 

Thanks guys, but we still have the problem. We replaced both horns - Hi and Lo tone, and we instantly blow the fuse as before. If we disconnect the horns and put a good fuse in, we can hear the horn relay in the dash clicking. We also accessed the horn relay by removing the left side panel in the dash, you can reach in and feel the relay clicking when you push the horn button.

If the relay clicks like this, does that mean the relay is good?

Also, if the relay is clicking, does that mean all the wiring is good, except possibly the wire(green) that runs from the relay to the horns? Meaning if there is a short, it is between the relay and the horns?

 

If you are not blowing the fuse with the horn unpluged it not a short. A short would mean that power is going to ground BEFORE it get to its resistance (in this case the horn). In this case it sounds like you have too much resistance which is forcing a too many amps for the fuse to handle. Let say your new horn need 6 amps to sound and you have a 10 amp fuse. If one of the wires needs 5 amps to push power thru it pop goes the fuse. The most common issue would be the ground. You could jump a ground right to the horn and see if that helps.

 

I had a sticky switch in the steering wheel. Beat on it a few times and the the horn quit being stuck.
You can check the horn connector harness for voltage, to see if the relay is passing voltage. A bad ground at the horn may cause the fuse to fail.