I have a 2007 Mercury Grand Marquis GS. My left directional suddenly blinks very fast.


Asked by May 30, 2013 at 02:26 PM about the Mercury Grand Marquis

Question type: Maintenance & Repair

I went to make a left turn last night and the left directional started out at normal
cadence and suddenly switched into a very quick cadence.  I thought that Relay 1
(fuse box) needed to be replaced but that didn't solve the problem.  But I noticed that
once I replaced Relay 1 my electric/power windows stopped working.  The original
relay 1 was a 4-pronged relay - the replacement is  5-pronged (a male connector in the
middle).  Do I need to clip off the middle prong on the replacement?  Do you know
what can be causing my left turn signal to blink very fast?

2 Answers


Turn signals blink fast or stop blinking when there is a lamp out. You must check all the lamps for that side turn signal first.

4 of 4 people found this helpful.
Best Answer Mark helpful

You're absolutely correct. There are two bulbs on each side in the rear. I didn't realize that because every time I turned on the directional and saw it blinking I really didn't check closely. As it turned out, one of the bulbs on the left side is shot.

2 of 2 people found this helpful.

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