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trailer plug has power intermediately

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Old Jul 13, 2017 | 09:31 PM
  #16  
zxwut?'s Avatar
zxwut?
Fleet Mechanic
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From: Fort Worth
If you're near the San Antonio area, I can help you out. Otherwise at this point, it sounds like you're going to need to head down to the dealer so they can test it for you and if it's fine, take the trailer to a shop and have them test that its wiring job checks out. While you're there, have them remove the 6 pin connector and put a 7 blade on it. I apologize but don't feel like we are going to get anywhere on this one over the internet.
 
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Old Jul 14, 2017 | 07:49 PM
  #17  
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kyle41
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ok, thanks for your help. Changing out the 6 pin and ditching the adapter worked!!!

Except now I'm realizing that my trailer's green wire, or right blinker and right stop, doesn't work. I switched the left tail light and right tail light, and still nothing changed. So it must be the wire. Just trying to figure the fastest and easiest way to figure out where the wire goes bad. I have a multimeter with sharp probes, so maybe I can poke holes in the rubber wire to figure where it loses power.
 
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Old Jul 14, 2017 | 09:06 PM
  #18  
zxwut?'s Avatar
zxwut?
Fleet Mechanic
Joined: Jan 2009
Posts: 1,964
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From: Fort Worth
Originally Posted by kyle41
ok, thanks for your help. Changing out the 6 pin and ditching the adapter worked!!!

Except now I'm realizing that my trailer's green wire, or right blinker and right stop, doesn't work. I switched the left tail light and right tail light, and still nothing changed. So it must be the wire. Just trying to figure the fastest and easiest way to figure out where the wire goes bad. I have a multimeter with sharp probes, so maybe I can poke holes in the rubber wire to figure where it loses power.
Use google to find the wiring diagrams. I would do it for you but can't at the moment. Check for voltage at both sides of the truck's 7 blade connector, so at the pin and on the back side at the screw terminal. Try to hit the wire itself if you can, not the terminal. If you have voltage on one side and not the other, there is a problem with the termination. If there is no voltage at the wire, use the wiring diagram and trace back to the next termination. If there is voltage there, cut the system in half between the two terminations and continue to do that until you find where your fault is. If you don't find voltage there, continue back until you do.

Unfortunately, electrical woes and troubleshooting are really hard to explain over the internet...
 
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