**INFO** Valuable brake controller information
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Thread: **INFO** Valuable brake controller information

  1. #1
    SENIOR ROVER 383vett's Avatar
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    **INFO** Valuable brake controller information

    Last weekend I had a few minutes and thought I would connect my Progeny 2 brake controller. I connected the supposedly correct adapter harness to the trailer connector inside the kick panel by the steering wheel. I called Tekonsha last week to verify that the 3035 adapter was the correct one. I connected the other end to my controller. I should have immediately seen a "nc" for no connection on the display. It was dead as a doornail. I unplugged the identical controller from my Denali and it too was dead in the RRS. I plugged the new unit into the Denali and it worked fine. I thought I had a dead trailer harness and tried looking at all the fuses in the passenger glovebox and the rear cargo area. (The manual's chart of the fuses doesn't look anything like the fuse panel by the way. We should get an accurate chart for future use). I made an appointment for this morning with the dealer near my home for to diagnose a dead trailer connector. I decided to test the circuitry this morning before bringing it in. With a voltmeter I was able to get 12 volts in the line that was supposed to activate the trailer brakes. With an ohmmeter and voltmeter, I was able to find the correct wires and moved them to the correct pin location in the adapter harness (after a couple of hours and a broken back. You have to lie upside down on the floor with a voltmeter and press on the brake pedal to figure this out. There are a lot of combinations and permutations). I was lucky the hot did not go to ground and blow a RRS fuse (since the is no fuse chart available) or destroy my new $129 brake controller which would have happened if hot and ground are reversed going to the controller. The RRS trailer connector has 5 wires but only 4 are needed. There is a red retaining tab in the adapter harness that once removed, will allow the terminals to come out with a sharp instrument (it helps to be a dentist). The harness pin locations are correct (I verified that with pictures online. So, either my RRS was wired incorrectly or the new RRS are wired differently from Range Rovers in the past and Tekonsha's adapter infor for the 2014 is wrong. If you are going to connect a Tekonsha brake controller, I would connect the harness and check the blue wire. If this is hot, change the terminals to the following pin locations. Sorry about being so verbose, but I thought this was pretty important. Hopefully you can make sense of the following chart.[URL=http://s539.photobucket.com/user/383vettphoto/media/P1010992_zps787929d1.jpg.html][IMG]

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  3. #2
    FRESHMAN ROVER GT Bill's Avatar
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    re: **INFO** Valuable brake controller information

    Great info.
    I have called two suppliers that tell me the 3035 adaptor is for a Ford truck application. I have a 2014 RRS that they claim has no adaptor harness listed. Yours is a '14 RRS Yes?
    Last edited by RRToadHall; July 28th, 2015 at 10:13 AM.

  4. #3
    SENIOR ROVER 383vett's Avatar
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    re: **INFO** Valuable brake controller information

    Yes, it is a 2014.5. I called Tekonsha directly and spoke with a manager over there. The 3035 is definitely for a 2014 RRS. They haven't updated their application info yet. You'll have to do a somersault under the dash. The connector is strapped to the brake pedal support on the driver's side. The 3035 plugs in easily. Again, check the wiring.

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  6. #4
    FRESHMAN ROVER GT Bill's Avatar
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    re: **INFO** Valuable brake controller information

    Very cool, I'll start limbering up !

    Thanks again.

  7. #5
    FRESHMAN ROVER
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    re: **INFO** Valuable brake controller information

    Curious 383 - where did you end up mounting the brake controller unit? Pictures would be greatly appreciated!
    Good judgement comes from experience, and alot of that comes from bad judgement.

  8. #6
    SENIOR ROVER 383vett's Avatar
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    re: **INFO** Valuable brake controller information

    Quote Originally Posted by Baymar View Post
    Curious 383 - where did you end up mounting the brake controller unit? Pictures would be greatly appreciated!
    Hi Baymar, I mounted it to the right of the steering wheel above the right knee. It's out of the way, but can be seen by the driver and operable. I'm in the office now. I'll try to get a picture later in the day.

  9. #7
    SENIOR ROVER 383vett's Avatar
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    re: **INFO** Valuable brake controller information

    A picture of my mounted Progeny 2 brake controller...


  10. #8
    FRESHMAN ROVER
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    re: **INFO** Valuable brake controller information

    Thanks! I have never had a brake controller, but am acquiring a new trailer that has electronic brakes. Why did you choose the Progeny? I believe the place I am purchasing the trailer stocks and installs Draw-Tite controllers - do you have any experience or thoughts about that brand or do you suggest the Progeny 2 is the best application for the RRS?



    Last edited by RRToadHall; July 28th, 2015 at 10:13 AM.
    Good judgement comes from experience, and alot of that comes from bad judgement.

  11. #9
    SENIOR ROVER 383vett's Avatar
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    re: **INFO** Valuable brake controller information

    I've been usng a Progeny 2 for over 12 years in my Denali. I did research at the time and decided on this unit. It was recommended by a number of people. When I purchased the brake controller for my RRS, I was suprised to find that the Progeny 2 is still being manufactured with no changes. Since I am keeping the Denali, I ordered the same unit which has performed flawlessly over the years. Even though it is easy to use, there was no learning curve necessary for my little brain. On the other hand, Drawtite is a good brand. I'm sure it will be fine if you chose that unit.
    Last edited by RRToadHall; July 28th, 2015 at 10:14 AM.

  12. #10
    FRESHMAN ROVER
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    re: **INFO** Valuable brake controller information

    Many thanks - quite helpful.
    Good judgement comes from experience, and alot of that comes from bad judgement.

  13. #11
    FRESHMAN ROVER
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    re: **INFO** Valuable brake controller information

    Many thanks 383vette. My wiring was exactly the same. I just installed mine using your guide. Simple and easy. I will upload some additional photos for anyone else doing the same.

  14. #12
    FRESHMAN ROVER
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    re: **INFO** Valuable brake controller information

    This is the end of the 3035 wiring harness that plugs into the Rover.
    **INFO** Valuable brake controller information-img_1041.jpg

    Give a push on the side and pop the red plastic piece out.

    **INFO** Valuable brake controller information-img_1044.jpg

    Then pry the taps with something like a knife (sorry vette, I had no dental tools.) And the wire will release.

    **INFO** Valuable brake controller information-img_1045.jpg

    Move the white wire and swap the black and blue as described above.

    You are now ready to go. Should take you 10 minutes.

  15. #13
    FRESHMAN ROVER
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    re: **INFO** Valuable brake controller information

    To install in the car: You are looking for this plug under the dash.

    **INFO** Valuable brake controller information-img_1047.jpg

    It is just above the brake pedal. To access it, there are 3 x 7mm screws that remove the access panel just above the gas and brake. It is possible to reach your hand behind the brake and plug this in. But, it is hard to find unless you know what you are looking for.

    There is an opening just behind the diagnostic port where I ran the pig tail out. When not in use, I tuck it back in there.

    FYI, I used this exact same controller in harness in my 07 sport. As vette observed the plug is the same (a Ford component) but the wiring is inverted. So, you are buying a harness for the old models and modify to account for the inverted wiring.

    Hope this helps someone else.

  16. #14
    SENIOR ROVER 383vett's Avatar
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    re: **INFO** Valuable brake controller information

    How does your back feel? lol
    Last edited by RRToadHall; July 28th, 2015 at 10:14 AM.

  17. #15
    FRESHMAN ROVER gordonross's Avatar
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    re: **INFO** Valuable brake controller information

    Just fitted my brake controller and the information listed here was invaluable. I routed the cable to the left side of the foot well near the OBD port there is hole in the panel that the cable can come through. I have not yet mounted the controller, was thinking industrial velcro as I do not want to put holes in the panel. Thank you so much for your help! It pays to search the forum
    2015 Range Rover Sport

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