A fast-blinking turn signal usually indicates that a turn-signal bulb is burned out on that side. However, there can also be other causes, most of which aren’t quite as simple to determine. Related: ...

I know this may sound like a ridiculous question, but my left front blinker is flashing fast, I think the left front blinker bulb is burned out because it is not illumining. I have changed out bulbs ...

It’s a common problem on ’99-’06 General Motors fullsize trucks and SUV, and we’ve all seen the symptoms: running around with only one daytime running light (DRL) working, or none at all. Simply put, ...