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: ...
There are four basic types of turn signal switches for ’70-’73 Mustangs and here’s what you need to know about them Classic Mustang turn signal switches evolved quite a bit between 1965 and 1978. For ...