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Old 11-21-2018, 10:56 PM   #1
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No power to flat rear trailer plug

Cant figure out why i have no power to the flat trailer 4 wire plug anyone point me in the directipn of a guse i do have power the round one though thought they were on same breaker or fuse. Thx in advance
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Old 11-22-2018, 06:17 AM   #2
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Your signature does not say what coach you have. On my 16 Cornerstone, the fuse for trailer/toad connections is located in the rear compartment with DEF tank. It is black and round, about 5Ē in diameter.
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Old 11-22-2018, 06:55 AM   #3
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Seabass

You really need to tell us your coach and model and year any time you post to the forum.... without it you are going to get a ton of misinformation and maybe no accurate information at all. You do that by going to the UserCP (UserControlPanel) box in the top left of the Entegra page on iRV2 and scroll down on the left side and you will see a way to add a signature line. Your information either needs to go in there and be shown every time you post, or you need to type it each time you post.

Now, with that said, if you have an Entegra coach and it is reasonably new, my 2015 Anthem and my 2019 Cornerstone had/have a circular fuse box right near the DEF tank in the curb side rear compartment. On my coaches, there is a 30 amp fuse (I believe) in that box (red?) and that is what feeds power into the power connector on the back cap of the coach. If that fuse is good, then you are going to need to get a Volt-Ohm_meter and examine all the pins and find the one that has 12 volts on it. If you find nothing with a static / constant 12 volts on it (you will see you turn signals etc also), then you have a problem in the wire between the fusebox and the rear connector, or in the rear connector itself, or alternately, the problem is in the wiring in your trailer and not on the coach side at all.

Let us know what you find.

Gary
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Old 11-22-2018, 12:00 PM   #4
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On the road will fill all user info after i get back. 2014. Anthem. 45 dlq. Sorry. And thx all. Happy rhanksgiving
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Old 11-22-2018, 01:31 PM   #5
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No power to flat rear trailer plug

Seabass99,

You don't state what power you are looking for in the 4 flat connector. If you are looking constant power from chassis battery I don't think you find it in the 4 wire plat connection.
The 4 wire flat would have: running lights, left and right turn signals, and ground wire.
The left and right turn signals are combination brake / turn.
Hope this help you figure it out.
Happy Thanksgiving

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Old 11-22-2018, 08:13 PM   #6
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Yes thx thatís the ticket trying to add a simple set of trailer lights from Walmart to get a new vehicle home, so I tried to simply plug the set in took test light and. 0. Power with parking coach lights on. So now I need to find exactly which fuse or power source or even a breaker new to the trailer stuff though but have done boats no problems. Just donít know why entegra would hide a simple flat 4= way fuse or breaker.
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Old 11-22-2018, 08:31 PM   #7
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Also I have 2 yellow wires dangling near tow hitch with black tips anyone have info on those. Thx
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Old 11-22-2018, 08:39 PM   #8
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Quote:
Originally Posted by seabass99 View Post
Also I have 2 yellow wires dangling near tow hitch with black tips anyone have info on those. Thx
Yellow on light wiring is right turn signal. If the black tips on them are covers, Entegra problem does not use them as the chassis wiring is Spartan.
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Old 11-22-2018, 08:59 PM   #9
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Also I have 2 yellow wires dangling near tow hitch with black tips anyone have info on those. Thx


Those are extra wires that go to the left side of dash for customer use if you need them. They are not connected to anything in the dash from Entegra or Spartan.

They make a 7 RV to a flat 4 adapter. You did say the 7 pin RV connector had power?

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Old 11-22-2018, 10:02 PM   #10
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Correct round 7 pin has running lights and when I hit brakes. Driver side goes out passenger brake light functions
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Old 11-22-2018, 10:06 PM   #11
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BTW, thanks for the answer digging I’m in a position where I said forget it I will go to Wally World run temporary boat light set like I have ten or more times then I find no power. I have a connector in my truck at home naturally wher I can plug the round large and it brings it down to a flat 4 plug
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Old 11-22-2018, 10:28 PM   #12
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The exposed pin on that connector is Ground. With tail lights on you should find power on only one pin. The other two are stop and left and right turn. They are on FUSES not Breakers. These fuses will be in the cab area. Not in the house. They should be tapped off the chassie circuit. I should be controlled by 2 fuses. The flat connector is most likely hooked to the lights on the rear of the coach.
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Old 11-22-2018, 10:38 PM   #13
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Thx cave. Yes I have looked in the chassis fuses not House, Still nothing but breakers relating to left right turn all separate breakers, Iím puzzled as to the flat 4 way plug should have a fuse somewhere..... I will check along the line it may just have a small quarter size fuse holder is all I can think, and roger that on power from 1 wire only thatís how I figured thereís no power here along with the attempt to connect the simple boat light set. It should not be rocket science to find the chassis trailer lighting fuses. Thx. Guys
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Old 11-23-2018, 04:36 AM   #14
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Quote:
Originally Posted by Gasman 2 View Post
Those are extra wires that go to the left side of dash for customer use if you need them. They are not connected to anything in the dash from Entegra or Spartan.

They make a 7 RV to a flat 4 adapter. You did say the 7 pin RV connector had power?

Richard
Good to know Richard, thanks. It going to be a good day, I learned something new. Good input in the 7 pin adapter. It helps when people explain what they need to do, it can make solutions sometimes easier. I carry one of the adapters behind the seat of my truck if I need to tow a friends trailer.
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