I searched and found similar issues, but not the same.

I was at a light trying to turn left, and noticed that all 4 of my flashers were going when the left turn signal was turned on. Hazards were off. If I flipped it over to the right, none of the lights flashed. Hazards worked correctly.

Anyone seen this particular behavior?

I suspect the turn signal switch. It started working ok again a few minutes later.

Brian
99 SVT

Originally posted by bxd20:

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...Anyone seen this particular behavior?

I suspect the turn signal switch. ..

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Correct. The Multi Function Switch is acting up.

Edit. MFS how to in this thread