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AlaskaAviator View Drop Down
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Joined: 25 Jul 2019
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Posts: 14 		Direct Link To This Post Topic: Trailer connector
    Posted: 29 Aug 2019 at 10:09pm
2019 R-Pod 195. 
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mcarter View Drop Down
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Joined: 07 Apr 2016
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Posts: 3419 		Direct Link To This Post Posted: 29 Aug 2019 at 4:40pm
You'll notice wire position in the connector is what is standard, not wire color. RVs I have seen are wired to RV Standard, by position. You could have 7 any color wires. Not rocket science.
Mike Carter
2015 178
" I had the right to remain silent, I just didn't have the ability."
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podwerkz View Drop Down
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Posts: 966 		Direct Link To This Post Posted: 29 Aug 2019 at 9:26am
The 7-way RV plug (flat pins) had a couple of conflicting standards over the last few decades. Its easy to assume the way it is now is the way it has always been, but that's not the case. There is what is called the 'traditional standard' and there is the more recent 'SAE J2863' standard.

Then there is the round pin 7-way plug that has it's own standard, different from the other two.

And you have not mentioned what kind, brand, or age of trailer you are working on. Could be that you have a mix of cargo trailers and a camper trailer. (sure, we can make assumptions but those assumptions often turn out to be wrong)

Whatever type and age of trailer you are working on might be decades old, or it might have a pigtail that is wired for the older standard...maybe a previous owner re-wired it for the other 'standard'.

So it turns out that it IS rocket science...sort of. You have to be smarter than the plug you are working on.

Tongue

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AlaskaAviator View Drop Down
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Posts: 14 		Direct Link To This Post Posted: 29 Aug 2019 at 8:52am
If I can avoid taking the truck to a dealer for repairs a hundred bucks in a couple parts is money well spent. If the controller board doesn't fix it than I may have to.And ya the wires don't care what color they are but why not use the standard so the next person working on it dosen't have to decipher the way its wired.
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Tars Tarkas View Drop Down
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Posts: 1446 		Direct Link To This Post Posted: 29 Aug 2019 at 7:36am
Originally posted by AlaskaAviator

I think I have my problem figured out. Im thinking its the controller circuit board. I'll know in a few days when I get the replacement.

It worries me that we're not hearing anything about how you arrived at your diagnoses.  You thought it was the plug so you cut it off and replaced it.  You think it's the controller so you're getting a replacement.  Seems like the difficult and expensive way to figure this out.

TT
2010 176
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furpod View Drop Down
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Posts: 6128 		Direct Link To This Post Posted: 29 Aug 2019 at 7:15am
Originally posted by AlaskaAviator

2018 Silverado. I think I have my problem figured out. Im thinking its the controller circuit board. I'll know in a few days when I get the replacement.The brakes worked for awhile at first but now I keep getting a check trailer wiring message. The wiring is good. My other TV works fine. Anyway I just thought it was kinda crazy they had the wires wrong in a molded plug.


They didn't have the "wires wrong".. they failed to follow the non binding standard of what color wire "should be", not "must be" attached to which connector. As long as "wire A" is going to and from the right connection circuit, they are good. The brown wire doesn't know what it's hooked to on either end.
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jato View Drop Down
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Posts: 3237 		Direct Link To This Post Posted: 28 Aug 2019 at 8:06pm
I just went through a similar scenario with my '11 F-150.  No brakes, first replaced the wiring harness and bargman plug, lots of corrosion.  Still no brakes.  Dealer said it was the pod's brakes that were problematic.  Went to the pod dealer, brakes were a bit on the loose side and were adjusted, got it to my campsite and tried the TBC (factory install) manually, brakes worked fine, then tried the foot brake and got nothing.  So back to the Ford garage, come to find out the TBC was defunct and had to be replaced, only took a matter of three weeks to get this ironed out.  Probably could have come to a conclusion earlier if I had only used my previous vehicle that I have been towing my 177 with, a 2013 Explorer.  Just before taking the truck in for the final time I hooked up to the Explorer, brakes worked with both the manual slide on the controller as well as the foot brake.  Live and learn.
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AlaskaAviator View Drop Down
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Posts: 14 		Direct Link To This Post Posted: 28 Aug 2019 at 7:33pm
2018 Silverado. I think I have my problem figured out. Im thinking its the controller circuit board. I'll know in a few days when I get the replacement.The brakes worked for awhile at first but now I keep getting a check trailer wiring message. The wiring is good. My other TV works fine. Anyway I just thought it was kinda crazy they had the wires wrong in a molded plug.
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GlueGuy View Drop Down
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Posts: 2634 		Direct Link To This Post Posted: 28 Aug 2019 at 6:01pm
Originally posted by AlaskaAviator

The truck is factory wired. Its right. Brown is tail, green is right and yellow is left. Thats not the way the trailer was wired. I have other TV and they all work fine also. Its not rocket science.
What Mike suggested would be the way to go then. You with a jumper and a helper observing should be able to knock this out in a half hour, with enough time left over to sample a Samuel Adams.
bp
2017 R-Pod 179 Hood River
2015 Ford F150 SuperCrew 4WD 3.5L Ecoboost
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AlaskaAviator View Drop Down
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Posts: 14 		Direct Link To This Post Posted: 28 Aug 2019 at 5:57pm
The truck is factory wired. Its right. Brown is tail, green is right and yellow is left. Thats not the way the trailer was wired. I have other TV and they all work fine also. Its not rocket science.
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