no tail lights or blinker - Ford Powerstroke Diesel Forum
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Old 06-27-2012, 06:50 AM

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no tail lights or blinker

i have a 2000 7.3 xlt. i was on my way back to my house when i noticed my brake controller not working. didnt think much of it because it has done that to my dads 89 for too. after i unhooked that i loaded a camper onto my truck and i brought it down to install a battery in it.
i unloaded the camper and i went to town and on my way back i relized i had no tail lights or blinkers. got home and pulled the inside fusepanel and i had blown fuse #1 (electronic flasher) and fuse #13 (tail lights and third light). i put new ones in and as soon as i either hit the brakes or use my right blinker i blow #1 and as soon as i tap the brake lights i blow #13.
this was all of the sudden it happened.
i disconnected the two harnesses in the back by the bumper that go to my trailer plug and to my tail lights thinking i could have a short in a bulb or something shorting in my trailer plug. still does the same things... shorts

if anyones had trouble please let me know!
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Old 06-27-2012, 10:02 AM

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Anybody have any ideas?

Sent from my Autoguide iPhone app
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Old 07-06-2012, 06:37 PM
lug lug is offline

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It sounds like you have a short on the right rear side only. Is fuse #3 (7.5A) still intact? This will eliminate the trailer side of the lights. Fuse 1 covers the flash portion on the front and rear but fuse 13 only covers the rear. Since you did not say fuse 1 blew using the left signal it leaves the right rear as the likely culprit. Check your bulbs first on the rear and just in case it's a dual problem take a peek at the front if you find nothing at the rear. Make sure you remove them to check for corrosion, burn marks, etc in the socket. Wires will be next on the list. Unfortunately both problems pass through your multifunction switch so be prepared for a possible multifunction switch issue. I hope this helps you track down your issue.
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