Trillium 5500 will be towed by flat-4 truck...which adapter do I need? - Page 2 - Fiberglass RV


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Old 06-01-2011, 12:09 PM   #15
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I thought that you were somehow confused about the 6 pin issue. The six pin on mine was to supply 12v power from the tow vehicle.
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Old 06-01-2011, 12:27 PM   #16
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I thought that you were somehow confused about the 6 pin issue. The six pin on mine was to supply 12v power from the tow vehicle.

I did say I was confused- but only because It seems odd that this Trillium has a 6 pin connector when most have the 7...
I thought Laurie might want a heads up that somebody might have changed the original wiring.
Not a nice surprise when you show up thinking you're all ready to tow-and-go!

Francesca
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Old 06-01-2011, 12:36 PM   #17
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10-4.
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Old 06-01-2011, 04:59 PM   #18
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Hi, Laurie

I forgot to mention earlier per Trillium wiring:
I should have added that if you've got a 6-pin trailer end, the center pole (yellow) is the missing 7th connection point, often called "auxiliary".
If you look at the inside back of the trailer, you should see yellow wires at both sides near the taillights. The yellow line should also be visible up front at the inside pigtail connection point.
Unless backup lights were beginning to be installed in Trilliums by your model year, these wires will be idle, but can be used for backup lights or beepers.
That circuit is unusable unless you have a 7-pin connection, originally the Bargman flat blade style.

Francesca
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Old 06-01-2011, 05:59 PM   #19
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When I got my 5500, the connector had been hacked off, and a flat 4 was installed.
I towed it the 30 miles home without using the trailer brakes, and had no issues.
The previous owner towed it with a full size pick-up and didn't want the hassle of a brake controller.
In Ontario the brake threshold is 3500 pounds, and these trailers are listed at less than that.
I am in no way sanctioning the non-use of brakes, that is a decision to make yourself.
What I would recommend is that when the trailer is being picked up, someone have a tester, as the 6 way plug was not the standard on trillium's, and you may have to juggle wires around to make all the lights work.

Joe
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Old 06-01-2011, 09:30 PM   #20
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Quote:
Originally Posted by Francesca Knowles View Post
And aren't you a Fiberstream/Boler man, Frederick?
If you take a look at the Trillium wiring diagram in the document center (used for all the original Trillium Models) you'll see that the 7-pin connector is clearly indicated.Fiberglass RV - Document Center - trillium 1300 wiring diagram Of the three original Trilliums I'm familiar with including my own, all have the factory installed 7-pin round.
Mea Culpa.
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Old 06-01-2011, 10:22 PM   #21
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I feel that it may be an overstatement to say that people will "almost certainly" experience sway due to a particular travel route. With appropriate tongue weight on the hitch, sway should be unlikely. Yet the brakes are indeed a valuable, nearly indispensable tool for countering sway should it occur.
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Old 06-04-2011, 03:53 PM   #22
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Hi, all

In case anybody's looking for one the Bargman trailer harness originally used in the older Trilliums can be purchased at Bargman 7-Way Cable
Here's a pic of the wiring color scheme, which is correct for 1st Generation Trilliums.

Strange twist here, though...
The car end/trailer end patterns are the reverse of those in the document center here at FGRV
http://www.fiberglassrv.com/forums/d...?do=file&id=73
http://www.fiberglassrv.com/forums/d...?do=file&id=94
It could be that FGRV's are the wiring-from-behind view, or that the labels are mixed up...
Anyway, the above diagram is right when viewed from the face of the plug.

Francesca
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Old 06-04-2011, 04:15 PM   #23
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Cool

Quote:
Originally Posted by Francesca Knowles View Post
It could be that FGRV's are the wiring-from-behind view, or that the labels are mixed up...
Anyway, the above diagram is right when viewed from the face of the plug.

Francesca
FGRV's show the backside where the wires go.
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Old 06-04-2011, 04:34 PM   #24
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FGRV's show the backside where the wires go.
Thanks for clearing that up, Frederick...
Would it be appropriate for me to suggest to the tech folks that the as-viewed-from-back clarification be added to the PDF diagrams?

Francesca
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Old 06-06-2011, 11:38 PM   #25
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My 4500 has the smaller six pin. I have a jpeg but I don't know how to upload an image in a message other than from a link or external website...

The 5500 does indeed have the larger 7 pin, so I will need to convert one of them if I intend to keep them both...I already have two different connectors on my truck because I also have a cargo trailer with a 4-pin...
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