turn signals are messed up. - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 05-12-2008
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turn signals are messed up.

so idk what happened to my turn signals but one day they were work funny.


there what they do when turned on

Left Signal: the left one works fine.

Right Signal: when i up on the right turn signal both the back signals blink but only the right front signal blinks. then when i apply the breaks it turns on all the lights in the back except the reverse lights. and the right front signal lights up.


When breaks are applied with no signals on: both the rear turn signals light turn on and stay light up till i let off the breaks.


Does anyone know what could be wrong with my truck. i checks all the bulbs and i think there all the right ones. give me a list of parts to check or replace i need to get this fixed i have had this problem for a while and havent gotten pulled over yet. so plz help me
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Old 05-12-2008
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anyone know?
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Old 05-12-2008
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do you have a trailer wiring harness?
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Old 05-12-2008
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yeah its a nice in line one its been there since i got the truck and they worked fine up untill about a month ago
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Old 05-12-2008
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remove it. where it plugs in just unplug it and plug the stock harness back together.. see if that fixes it.. 90% that control modual f-es up...
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Old 05-12-2008
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i cant get them to go together
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Old 05-12-2008
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the stock plugs?
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Old 05-13-2008
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yeah i already tried it such a small space maybe i couldnt just line them up right
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Old 05-13-2008
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The rear combination tail lamps filaments are more then likely shorted together. Get a new bulb for the right side, see if that fixes it. Quick fix, switch the left and right bulbs, to see if it cures the right side and messes up the left.
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Old 05-13-2008
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ok sweet thanks guys i will try that when i get home from work. anyone else have anyother ideas
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Old 05-13-2008
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It could also have a bad ground, forgot to mention that.
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Old 05-13-2008
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any idea where the ground are?
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Old 05-13-2008
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No, did you swap bulbs yet?
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Old 05-13-2008
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no i ran out of time tonight to work on my truck. im way to busy and i have a cement truck coming tommarow so idk if im guna have time
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Old 05-19-2008
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so a couple nights ago i went out and started messing with the bulbs on my truck and then i was like screw it and i unplugged my trailer lights T and plugged the lights together and they work fine now.

my next ? is there is a little box that is on the t connection can i eliminate that box and make the lights work.
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Old 05-19-2008
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Just get a new trailer light harness. Those things take a major beating and they all eventually die. Usually due to corrosion or if you have the little box, something in there crapping out.
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Old 05-19-2008
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where can i get one and how much do they cost?
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