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Old 10-22-2006, 03:52 PM   #1
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problem with Tekonsha brake control

Hi Airstreamers in the USA !

We received the tekoncha brake control unit from the US this week

The unit seems OK, but we notice a difference in the way it is supposed to be connected, and need some help, wich you can hopefully give us.
There are 4 wires, same colours as our Jordan unit that we are using now,(and works well),
but if we connect the Tekoncha wires the same way as the Jordan wires,
we messure a constant power of 12 volts on the brake wire without the trailer being connected. When we connect the Jordan there is no current coming through this wire,like it should.
Could it be that the Tekoncha ground and possitive are to be switched ? We don't want to blow up our precious unit...as they are hard to get !(in Holland)
Hope you can think with us, or perhaps know someone to ask advice about this matter, as , over here, there is no one familiar with brake -controlunits what so ever..
Thank you so much upfront, for any help offered.

Kind regards,

Kai and Pieter van Dooren Holland
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Old 10-22-2006, 04:19 PM   #2
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Quote:
Originally Posted by Holland
... if we connect the Tekoncha wires the same way as the Jordan wires, we messure a constant power of 12 volts on the brake wire without the trailer being connected...
Without the trailer connected, you will measure 12 volts because the controller is under no load.

Connecting the trailer to the tow vehicle will connect the brake magnets to the circuit. The magnets, with their low imput resistance, will put a load on the controller & bring the voltage down. If you were to unscrew the wire caps at one wheel, you would find little to no voltage with the trailer connected.

Even with the limited information you have presented, my impression is that you are okay. My suggestion is that you plug the trailer in while an assistant looks at the Tekonsha. It will probably indicate ".c." or "c" or ".c".

My Tekonsha Prodigy has proven to be a sturdy controller and, from what I have read, will protect itself if you have problems in the wiring.

Tom
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Old 10-22-2006, 04:29 PM   #3
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But what I don't understand is:When we connect the Jordan there is no current coming through this wire ???
Does the Tekoncha operate in a different way ?
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Old 10-22-2006, 04:39 PM   #4
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I am not familar with a Jordan brake controller's operation so I have no insight into what voltages or currents might be measured.

I am familiar with a Tekonsha Prodigy, and am very comfortable with the words in my first post. However, I know that I am just another voice on the Internet so hopefully others will chime in with more words.

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Old 10-22-2006, 07:22 PM   #5
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problem with Tekonska brake control

What kind of Jordan do you have?
Does it have a continuity indicator?
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Old 10-23-2006, 11:28 AM   #6
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Quote:
Originally Posted by Holland
But what I don't understand is:When we connect the Jordan there is no current coming through this wire ???
Maybe that is why you are replacing the Jordan?
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Old 10-23-2006, 11:42 AM   #7
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Brakes

What are you pulling the Airstream with?Depending on the vehicle you might need to take it to the dealer to have it set up for your Controller.My Touareg has to be done like that.
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Old 10-23-2006, 01:52 PM   #8
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Maybe that is why you are replacing the Jordan?__________________
We want to replace the Jordan type Mark 4 TM (wich works OK), with a more modern Tekoncha Voyager, to feel the difference when towing our Airstream with our '78 LTD country squire.

(Here you can see what it looks like)
And we can't take it to any dealer, as they haven't got a clue how electric brakes work, in Europe trailers have mechanic brakes..so they can't help us.
Hope someone of you can.
Thanks for thinking with us.

( is it somthing with the Ground and the positif ? )
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Old 10-23-2006, 02:16 PM   #9
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Don't confuse a 12V potential with power. As Tom pointed out the current draw and therefore power (volts X amps) should be near zero when the controller is connected. Sounds like your moving up a couple of decades in controller technology. I've had the pleasure of towing with the Tekonska and it's a great unit. I also remember towing with the old family station wagon back in the late '70s and there's things about that controller that have advantages over todays technology. For one, in the pre ABS brake days it appears controller manufacturers were less afraid to tie directly into the automobiles hydraulic system to achieve truely proportional braking.

-Bernie (big fan of the "if it ain't broke don't fix it school"
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Old 10-23-2006, 02:46 PM   #10
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That picture does not look the same as the Jordan 2020 controller I have. Mine does have 12 volts on the brake line, just like the Tekonsha. Perhaps it is a Jordan, but not the same company out of Sarasota, Florida???
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Old 10-23-2006, 02:50 PM   #11
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One other note; if switching to Tekonsha-you should go with the latest version-Prodigy...(not voyager).

Also contact Tekonsha, they have competent good Tech support: http://www.tekonsha.com/contact.html
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Old 10-23-2006, 04:42 PM   #12
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I am no expert here, but I recall that the Tekonsha Prodigy provides a small amount of 12V current for the purpose of verifying electrical continuity through the brake magnet circuitry. The Prodigy will display ".nc" if it detects an open circuit, or ".c" if it detects continuity. I do not know if the detection current is continuous or pulsed. If continuous, this may be what you are measuring.

I thought that electric brakes were not allowed in Europe, and that surge brakes are required instead. What are the rules for brakes where you live?
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Old 10-23-2006, 05:56 PM   #13
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Wires

Also I thought the wiring setup was different than ours here in the states.Our 12v wire does not connect to another like some in europe.I know my Touareg is set up like that and the dealer has to switch it to the american code.Then again it might just be for the Touareg.
Another thing is Dmac is right about the prodigy.I use one and the codes come up on it to let me know if there is a problem or not.
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Old 10-23-2006, 09:10 PM   #14
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If your tow vehicle is pos ground than it should be straight forward. I have used the voyager many times. I have had no problems. I am installing one into my sisters 2007 chevy tomarrow. On the controller are 4 wires a red, black, blue and a white. The black goes to the pos side of the battery the white goes to the neg side or ground. The blue goes to the elect brakes and the red goes to the brake light switch. There will be some minimal power going thruogh the circuit when you plug it in. this turns the little red light on on the controller indicating that the circuit is complete.
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