Read earlier that someone was experiencing buzzing from their turn signal. I had this same issue and I always thought the issue had to do with some short in the spaghetti bundle of wires that some hack did on my truck before I got it. As was pointed out in the thread, it was more likely dirty contacts within the switch itself - apparently an easy fix. So I tackled it.





Once you pop the cover housing off the steering wheel, it's a simple two screw and slide out removal!





You can see how dirty the contacts inside my switch were. I used a small cotton swatch to clean them (with some contact cleaner - or alcohol.)





Happy to report that the buzzing is gone gone gone!

Thank you! It hasn't happened to me yet, but it's really nice to see a simple fix to a common problem.

One thing to accept when you do this is that it doesn't address every instance of failure. These switches do not have an infinite duty cycle - sometimes they just fail and you need a new one.