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turn signal blinks fast, intermittent?

Smear

Member
Joined
December 18, 2017
Messages
18
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0
City, State
SoCal
Year, Model & Trim Level
03 Expl 4.6L XLT 3.73LS
My 03 explorer has a bit of a minor issue. Sometimes, the left turn signal blinks fast, sometimes it doesn't. I had my brother turn on hazards, brakes headlights etc. when signal was "hyper flashing". When headlights are on, everything looks fine from all around. When i put hazards on, front end of truck flashes on both sides, but only right side flashes in rear. When I put on left flasher, flashes rapidly up front, nothing on rear. I apply brakes, only right side and third brake light illuminates. I thought this was a bulb. after I ordered bulb, it magically starts working again. This has been going on for a month, and I found when it blinks rapidly I can hit the left tail light with my hand and it starts to flash again. Loose connecter? how do i fix it? thanks for everything!
 


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Mbrooks420

High Voltage.
Elite Explorer
EF Vendor
Joined
February 2, 2002
Messages
10,672
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Year, Model & Trim Level
1998 Mountaineer AWD
I’d pull the connector and blow it out with compressed air.
 




Number4

"I'm counting to 3, then I'm getting your dad."
Elite Explorer
Joined
March 16, 2013
Messages
4,091
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City, State
Woodstock, GA
Year, Model & Trim Level
04 Ford Explorer 4.6l
You can buy the light bulb sockets at most parts stores. I had to in order to fix this issue on my Ex. The plastic piece the bulb goes into was bad.

My temporary fix was to clean its contacts, but it was only temporary, each time.
 




swshawaii

Elite Explorer
Joined
April 3, 2009
Messages
9,474
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444
City, State
Kailua-Oahu, Hawaii
Year, Model & Trim Level
'05 Sport Trac XLS (RWD)
This may or may not apply to 2002-05 (Gen 3) Explorers. Very common issue with 2001-05 Sport Tracs and 2001-03 Sports is the multi function switch (MFS) connector binding with tilting steering columns. IF you have a tilting column, cycle it all the way up and down several times, leaving it all the way in the UP position. If that helps, the MFS connector or wiring being too short may be the problem.

http://www.mysporttrac.com/MySportTrac/projects/Steering_Column_Wiring_Repair_Gen1.pdf
 




Mbrooks420

High Voltage.
Elite Explorer
EF Vendor
Joined
February 2, 2002
Messages
10,672
Reaction score
1,805
Year, Model & Trim Level
1998 Mountaineer AWD
This may or may not apply to 2002-05 (Gen 3) Explorers. Very common issue with 2001-05 Sport Tracs and 2001-03 Sports is the multi function switch (MFS) connector binding with tilting steering columns. IF you have a tilting column, cycle it all the way up and down several times, leaving it all the way in the UP position. If that helps, the MFS connector or wiring being too short may be the problem.

http://www.mysporttrac.com/MySportTrac/projects/Steering_Column_Wiring_Repair_Gen1.pdf
I doubt banging the taillight would have any effect of a loose MFS connector
 








Number4

"I'm counting to 3, then I'm getting your dad."
Elite Explorer
Joined
March 16, 2013
Messages
4,091
Reaction score
161
City, State
Woodstock, GA
Year, Model & Trim Level
04 Ford Explorer 4.6l
Try this first....

Portalámparas para luces traseras, direccionales y de freno


Now that funny. Not sure why it’s in Spanish here.

3E80C2A6-54EC-4590-AEEF-42D74516A841.jpeg
 




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