Trailer/tug plug connection - Fiberglass RV
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Old 01-12-2017, 12:41 AM   #1
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Name: Dave
Trailer: Casita SD17 2006 "Missing Link"
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Trailer/tug plug connection

Hi all, after seeing a number of posts from members that had a problem with the plug connection when picking up a new to you TT I've got a Baja fix to get you home, it worked for me. Being you never really know how folks have changed the wiring around, I made up a one foot pigtail jumper. The tug side was wired to be correct to my tug specs along and the female TT end. In my case, after hooking up and hitting left turn, all the marker lights blinked, whoops. Opened up the female end of my plug pigtail and pulled everything but the ground and found which one worked correctly. None of this is rocket science but having the pigtail at the coupler was a lot easier to work with than being on your back on the ground. Now if you've got burned out bulbs...........plead innocence if stopped, "they were working when I left" officer .
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Old 01-12-2017, 06:01 AM   #2
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Quote:
Originally Posted by Borrego Dave View Post
I made up a one foot pigtail jumper.
What do you mean by this, Dave? To me a pigtail is a single branch wire off a connection with 2 or more other wires, as in this example.

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Old 01-12-2017, 10:37 AM   #3
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pigtail

[QUOTE=Jim Bennett;623068]What do you mean by this, Dave? To me a pigtail is a single branch wire off a connection with 2 or more other wires, as in this example.

[-------------------------------------------------------------------/QUOTE]

For me, a pigtail has always been the 4 prong plug with 4 wires hanging from it. Or a truck clearance light; the socket with the 2 wires hanging from it. David in Fresno and Sonora
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Old 01-12-2017, 11:51 AM   #4
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A pigtail is usually any short spliced wire. Many applications.
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Old 01-12-2017, 03:03 PM   #5
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Guess it's all in the name . At work we've always called any kind of adapter pigtails. All I made up was a 1' long TT cable with male end wired for my truck and the female receiver on the other end. Just made it very easy to reposition any connections to have "get home" lights. In my case, I only had a round 6 pin plug at the time and no brake controller yet. 6 pin round to a 7 pin to fit the Casita SD. Was only looking for turn and brake lights for the 100 mile trip. Think it took about 15 minutes and I didn't have crawl under anything.
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Old 01-12-2017, 06:05 PM   #6
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Why would you not use the wiring device like it was designed and make the connection on the device?


The wiring these in series will mean if a wire is broken then downstream will get no power just like if a wire comes loose from a wire nut.
Personally I have seen more failed wirenuts than connections to wiring devices
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Old 01-12-2017, 06:38 PM   #7
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Quote:
Originally Posted by redbarron55 View Post
Why would you not use the wiring device like it was designed and make the connection on the device?


The wiring these in series will mean if a wire is broken then downstream will get no power just like if a wire comes loose from a wire nut.
Personally I have seen more failed wirenuts than connections to wiring devices
Wow, never thought that a simple TT adapter post would go sideways, gang boxes ?
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Old 01-13-2017, 05:42 AM   #8
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In Maine, A PIG TAIL is the only part of a pig, one can not EAT.
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Old 01-16-2017, 06:15 AM   #9
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In Ontario, the electrical code for homes says that all neutral wires must be joined with a marr connector befor going to the plug so that if one receptacle is removed no shock hazard is created by a path completed by equipment plugged into other outlets
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Old 01-16-2017, 06:18 AM   #10
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to the original post:
I made a 7 conductor cable wired to match my tug, then put bullet plugs on the other end, and made up a 4 and 7 pin connector with bullet receptacles so that i could switch wiring around to match the trailer, I also call this a pigtail, and it is used only to get a trailer home, then I re-wire to standard
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Old 01-16-2017, 10:46 AM   #11
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Dave, (the OP,) was referring to troubleshooting problems associated with 12 VDC 7-Pin trailer umbilical wiring. Why then, are there 8 posts on non-relevant 120 VAC household receptacle wiring configurations, and associated non-relevant codes, etc, and not one single reply that can be considered to be relative to the original post. There seems to be a definite lack of focus on the topic being discussed. Please think before posting irrelevant comments. Absolutely none of the replies so far have been even remotely relevant.
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Old 01-16-2017, 11:26 AM   #12
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Well said casitas Gregg
Once again a simple topic/suggestion has left the track


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Old 01-16-2017, 07:08 PM   #13
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Actually, my second post directly dealt with the original question
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