2004 Pontiac Montana front left turn signal flashes very fast both front and rear bulbs are good, what maybe wrong?
Left front turn signal bulb goes flashing very fast, then the next time I use it, it
work ok. Both front and rear bulbs are good, what is going on.?
Check for a bad socket or even an intermittent ground.
When it's flashing fast, get out and physically check the turn signals to see which one isn't flashing. Sometimes when a bulb burns out the filament can "flop around" inside the bulb and make contact again so the bulb works again. Hit a bump, and it's out again! Very frustrating sometimes. HTH. -Jim
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