Usually if the clock spring fails, the horn won't work so try the horn. If the horn is good, then the clock is probably good. That doesn't rule out the wires coming out of the clock spring.Wonder how to test this? Just take things apart? Or... Wonder how to tell if a relay is failing. .... Must be one of these two. Lol trouble is... None of these parts will be on hand. Everything is a two trip fix. Unless i have it figured out before i go down