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77 F-150 lighting problem

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Old Aug 14, 2011 | 08:14 PM
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77 F-150 lighting problem

my right rear brake light and turn signal light doesnt work and ive checked all the way from the back to the front and still havent fount the problem, ive about gave up on the truck does anyone know what i should do?
 
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Old Aug 14, 2011 | 09:36 PM
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Possibly the ground wire or the actual socket for the bulb itself. Save yourself some trouble and replace it.
 
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Old Aug 14, 2011 | 10:22 PM
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have you checked the factory splice connection for the license plate lites. they sometimes corrode and cause all kinds of lighting issues
 
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Old Aug 14, 2011 | 10:33 PM
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i have done all those replaced everything for that back light also made a better ground. yall think it might be my turn signal switch
 
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Old Aug 14, 2011 | 10:42 PM
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Are you testing it with a multi-meter or just the bulb?
I assume parking/tail light works.

On the drivers side frame rail there should be a square connector. Unplug it and check for corrosion. If you can't get voltage at the bulb base, try to get voltage there. This will tell you if you need to go up the line or back towards the light itself.
 
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Old Aug 14, 2011 | 11:30 PM
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yes the tail lights works, i took off my steering wheel and started messing with the turn signal switch and it started to work but when i took my hand off of it, it stopped, plus the switch is broken in 2 places.
 
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Old Aug 15, 2011 | 06:14 AM
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Originally Posted by Fordracing30
yes the tail lights works, i took off my steering wheel and started messing with the turn signal switch and it started to work but when i took my hand off of it, it stopped, plus the switch is broken in 2 places.
Sounds like you were right and you found your culprit.
 
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