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fast flash turn signal 2005 Crown Victoria

10 messages,  Last post on Sep 30, 2011 at 11:21 AM

You are in the Ford Crown Victoria/Mercury Grand Marquis Forum.

What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Electrical, Lighting, Sedan

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#1 of 10 fast flash turn signal 2005 Crown Victoria by kcd

Feb 19, 2010 (1:37 pm)

Anyone know what to check for as to why my turn signal flashes fast? This happens only on left turns. I switched the turn signal bulbs on the left side with the ones on the right (both front and rear), but it didn't solve the problem. The emergency flasher works fine (no fast flash, left and right). After reading in another forum that a blower motor speed can cause fast flash, I turned the blower fan to maximum and minimum speeds, but it had no effect on the flash speed. I'm thinking an electrical connection may have jarred loose from hitting all the potholes lately.

#2 of 10 Re: fast flash turn signal 2005 Crown Victoria [kcd] by euphonium

Feb 20, 2010 (12:04 pm)

Replying to: kcd (Feb 19, 2010 1:37 pm)
If the faster flashing occurs both front and back, count your blessings & continue on.

#3 of 10 fast flash by sprint230

Jan 02, 2011 (8:24 pm)

Try removing the taillight on that side and removing the sockets from the lens then try the turn signal again. You may find one of the bulbs is not working. There are two bulbs in the taillight and it is hard to tell if one is not working when they are inside the lens.

#4 of 10 re by kayostar

Mar 19, 2011 (4:58 pm)

It may be an electrical issue as you said. Check further to source the route of the problem.

#5 of 10 Re: fast flash turn signal 2005 Crown Victoria [kcd] by storitall

Apr 09, 2011 (6:59 pm)

Replying to: kcd (Feb 19, 2010 1:37 pm)

#6 of 10 FAST FLASH AND BLOWER SPEED by storitall

Apr 09, 2011 (7:05 pm)

I HAVE A 2001 MARQUIS THE FLASHER HAS BEEN LIKE THIS FOR TWO YRS, AND STILL CAN'T LOCATE THE PROBLEM FAST FLASH BOTH SIDES AND 6 MONTHS AGO THE BLOWER MOTOR STARTED GOING UP AND DOWN AS IT WANTED I KNOW THERE IS I NO FLASHER FUSE LIKE THE OLD DAYS AND WONDER IF ONE HAS TO DO WITH THE OTHER ANY THOUGHTS.

#8 of 10 FAST TURN SIGNAL by storitall

Apr 09, 2011 (7:12 pm)

WHAT WILL CAUSE FAST TURN SIGNALS. IT BEEN DOING IT FOR THREE YRS CAN'T FIGURE IT OUT IT DOES'NT HAVE A FLASHER FUSE AND BLOWER MOTOR JUST STARTED CHANGING SPEEDS ON IT'S OWN WONDER IF ONE HAS TO DO WITH THE OTHER

#9 of 10 Re: FAST TURN SIGNAL [storitall] by kcd

Apr 10, 2011 (3:51 am)

Replying to: storitall (Apr 09, 2011 7:12 pm)
I finally figured out what was causing the fast flash: it was a burned-out bulb. I didn't realize there were two signal bulbs on each side in the rear. When I checked the left rear, I saw blinking and assumed the bulb was OK but one of the two was actually out. When the bad one was replaced, fast flash ended. You may need to make sure that both bulbs on each side (4 in total for the back) are blinking. It's hard to see through the red cover and with the flashing bulb.

#10 of 10 Re: fast flash turn signal 2005 Crown Victoria [euphonium] by w9bag

Sep 30, 2011 (11:21 am)

Replying to: euphonium (Feb 20, 2010 12:04 pm)
A fast flashing directional indicator is usually indicative of a burned out bulb.
If this is not the case, make sure that one of the bulbs has not been replace with a LED replacement. This will cause a fast flash. You can get a resistor to place in circuit with LED's to make the flasher cycle normally. The only thing that will make your turn signals flash fast is a lack of resistance, as in a burned out bulb or a replacement LED unit.
Also, if there is a faulty ground, this will cause dim illumination. Make sure that there is a solid, rust free & dry connection of the ground wire.

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