No turn signals, no brake lights?

Tiny
BRENT FAID
  • MEMBER
  • 2010 FORD F-350
  • 6.7L
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 61,000 MILES
No turn signals, no brake lights on truck help!
Wednesday, May 28th, 2014 AT 11:36 AM

6 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Hello,

I would start by checking all system fuses. Here is a guide to help with the blinker and turn signal wiring diagrams below so you can see how the system works and which fuses to check. Also I have included the fuse panels and locations below. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Wednesday, May 28th, 2014 AT 12:19 PM
Tiny
BOOPERIII
  • MEMBER
  • 1 POST
Thanks for this post I had this issue and used the wiring diagrams to find the smart junction box went out cost me $210.00 Here is how you change it out.
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Tuesday, November 5th, 2019 AT 1:33 PM
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2004 FORD F-350
  • 59,980 MILES
How can I fix my park lights and turn signals the rest of my lights work, when I turn the turn signal on it make a noise
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Tuesday, November 5th, 2019 AT 1:34 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check your trailer connection they may be causing your problem check fuses and flashers. And ground at rear of frame on truck
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Tuesday, November 5th, 2019 AT 1:34 PM (Merged)
Tiny
HARLEYPAPA
  • MEMBER
  • 2 POSTS
  • 2000 FORD F-350
Electrical problem
2000 Ford F350 Four Wheel Drive Automatic 66000 miles

The blinkers do not work. The hazards work except for the right front. When the hazards are on, only the left arrow is on in the dash. I have checked the fuses& they seem to be ok. Any help is appreciated, thanks.
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Tuesday, November 5th, 2019 AT 1:34 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi harleypapa,

Symptoms indicates the multi function switch is faulty and requires replacement.
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Tuesday, November 5th, 2019 AT 1:34 PM (Merged)

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