Fixing Your 66 Mustang Turn Signal Switch

If you've been cruising in your classic pony car and noticed the clicking has stopped or your lights are acting wonky, you're probably dealing with a faulty 66 mustang turn signal switch. It's one of those parts that we often take for granted until it suddenly decides to quit on a busy intersection. Dealing with electrical gremlins in a vintage car can be a real headache, but the turn signal switch is a particularly common culprit because it does so much more than just blink a light. ...

May 17, 2026 · 7 min · Bhargavi Massingill