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Old 05-28-2004, 05:15 PM   #1
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Question Install Jordon Ultima BC on 04 Suburban

Just received my Jordon Ultima Brake controller and need to install it on a 2004 Suburban with the adjustable bake pedal. There is not much arm to work with above the pedal and none above the servo for the adjustable bake. Has anyone installed a Jordon on on a 2004 Suburanban, just like to know where you put the barke arm assemally.

Thanks

Don Hardman
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Old 05-28-2004, 05:47 PM   #2
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Don, I installed mine on my van but didn't have the adjustable pedal or short arm. I know the folks at Jordon will give you good support if you call them.

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Old 05-28-2004, 07:19 PM   #3
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Thanks, I am sure they willl and I plan on calling first thing Tuesday morning (after Memorial day holiday). I had hoped to get it installed and ready to go this weekend.
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Old 05-29-2004, 08:10 AM   #4
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Well hello Don, welcome to this forum. This forum is really great, I'm sure you will enjoy it.


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Old 05-29-2004, 05:36 PM   #5
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I went ahead ain installed my Jordan break controller and have everything hooked up and mechanically it looks fine. I plugged in the trailer wiring harness that
came with the 2004 Suburban in slot in the fuse box under the dash,
connected the red to red and blue to blue wires as instructed. I have a
question about the white ground wire from the brake controller. Accring to
the instructions it reads:

>Using the appropriate hardware, connect the white wire (ground) to the (-)
>terminal of the battery. (Warning units which are not grounded to the (-)
>terminal of the battery may not operate, or operate cording.

Does that mean that I should actually run a wire direct to the (-_ terminal
on the battery through the firewall, or can I attach The ground wire to
metal somewhere under the dash.

Thanks folks, have a happy and safe Memorial weekend.

Don Hardman
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Old 06-02-2004, 06:09 AM   #6
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Good question, Don. I have a Jordan controller and connected it through the factory supplied trailer brake wiring warness that came with my Ford and it works fine. There seems to be no need to run a wire to the battery in my case. I hope your installation went well!
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Old 08-17-2004, 11:55 PM   #7
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You know, I've been reading quite a bit on the Jordan as it is right up there with the Prodigy in overall customer satisfaction.

However, I've been reading that the Jordan might have some issues with hydro assit braking on the 2500 series Suburbans. I've also read that the units can be mounted to adjust pedals and the control box mounted up to 18" to the left or right of the pedal. I was thinking of mounting it (if I got the Jordan) inside one of the two open cavites in center lower section of the dash.

Anyway, the questions are:

Has anyone here mount one of these controllers to a 2500 Suburban that has the hydro assist brakes?

If so, what do you all think of mounting it in the center dash locations mentioned above?
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Old 08-18-2004, 08:59 AM   #8
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Quote:
Originally Posted by Silvertwinkie
Has anyone here mount one of these controllers to a 2500 Suburban that has the hydro assist brakes?

If so, what do you all think of mounting it in the center dash locations mentioned above?
Eric, I curious about the hydro assist and what it does. The Jordan uses brake pedal travel as its means to know how much power to send to the trailer brakes. The harder you step the more the cable is extended. Pretty simple in my book. You initially adjust the cable which affects the point at which braking starts as the pedal is depressed. I have mine set so that just a tiny deflection of the pedal starts the braking process. You also have a gain switch which again initially sets up the amount of voltage sent to the brakes on pedal depression. You make these two adjustments one time.

The way my dash in the van is configured, the center mount approach was my best avenue. I am just slightly to the left of center and have a clear view of the controller through the bottom of my steering wheel. It is also very convenient to hit the manual button if necessary. It fits flat against the dash panel which is slightly curved. Visually it is pointing up towards my view.

I'll try to post a picture when I get home from work.

Jack
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Old 08-18-2004, 09:24 AM   #9
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All hydro assist does is replace the vacuum assist. Why it would have any issue with the Jordan is beyond me. The connetion is at the arm of the brake peddle and that arm is the same with Vac assist. Instead of using engine vac for the asist it uses power steering pump hydraulic pressure. All the other parts including the master should be the same.

I think your getting a urband legend of trailering.
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Old 08-18-2004, 02:57 PM   #10
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It's possible that I am, but I was reading a few places and more than one person seemed to have issues with it on a Suburban. I might be interested in the Jordan, but one of the two folks on the open road forum said that Jordan himself took the unit back and gave a full refund. Could be that the user was just a crack pot and Jordan was just cutting his losses. Not sure. The user claimed that the hydro assist had more brake pedal movement than the vac assist. I have not noticed that on our Suburban with hydro assist brakes. Just wanted to know if anyone else knew of any issues with the Jordan in an '04 Suburban.
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Old 08-18-2004, 03:31 PM   #11
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Quote:
Originally Posted by Silvertwinkie
pot The user claimed that the hydro assist had more brake pedal movement than the vac assist. I have not noticed that on our Suburban with hydro assist brakes. .
That could be a valid concern since obviously the Jordan controller is not designed for a long swing of the pedal. I think they don't want the cable being pulled more than an inch in total. That's one reason why the control module mounts higher on the brake pedal. The higher the mounting the less the cable travels when the pedal is depressed. The recommended distance from the pedal to the mounting point is approximately 6 inches.

I think I remember using a ruler while I depressed the pedal, with engine running, to get the optimum spot to mount the cable clamp on the pedal. That 6 inch point can be moved up or down if necessary.

I fine tuned this control by using the set screw which clamps the cable to the control module. You can get this adjusted to set the point where the brake control activates the controller at a very slight touch of the brake pedal.

If there was a return, I would assume that the owner couldn't get the control moduled mounted high enough on the pedal arm to get the cable to move the recommended inch or less. I can't think of any other reason why this would not work.

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Old 08-18-2004, 03:55 PM   #12
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The concern may stem from the fact that once the vehicle is stopped ,you can continue to press " with moderate force" the pedal towards the floor and the hydro-boost allows the pedal to continue moving till its almost bottomed out on the floor.This is not something people normally do ,I own 2 vehicles with hydro-boost and both do this.
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Old 08-18-2004, 07:46 PM   #13
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My 2500HD has hydro-boost. No problems with my Jordan, love it. Much better than the Voyager it replaced.
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Old 08-18-2004, 09:08 PM   #14
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We just returned from a 3000 mile trip, the first long one with the Jordan installed. I had some problems with the cable housing (tube the cable slides through) slipping through the clamp that holds it to the bottom of the dashboard. Once the cable housing slips you've lost your trailer brakes. Has anyone else had this happen?
I think there must be too much friction with the cable sliding through the housing tube. The instructions state that the controller can be mounted up to 18" either side of the brake pedal. I'm well within that limit and the cable makes a lazy S bend as described in the instructions, but it still slipped. I'm going to see if I can find a mounting point closer to the centre line of the brake pedal and/or higher on the dash to reduce the curve, but it doesn't look easy to do that on my '99 Suburban.
As an emergency repair I cut a bit of rubber weather strip to put around the cable housing in the clamp and that held a bit better, but it still slipped eventually. I did take care to assemble the clamp just the way it was shown in the instructions.

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Old 08-18-2004, 09:31 PM   #15
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Quote:
Originally Posted by 71tradewind
The concern may stem from the fact that once the vehicle is stopped ,you can continue to press " with moderate force" the pedal towards the floor and the hydro-boost allows the pedal to continue moving till its almost bottomed out on the floor.This is not something people normally do ,I own 2 vehicles with hydro-boost and both do this.
This is exactly what this guy on the open roads forum was talking about. If the pedal does go as far as it is anticipated and I understand the way the Jordan works, this could/would in fact be an issue with the Jordan with a vehicle equipped with the hydroboost brakes since the travel is limted and hence the concern. Granted I have not yet seen this happen on our new '04 Suburban 3/4 ton, then again, it only has 400 miles on it.
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Old 08-19-2004, 08:13 AM   #16
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That may be easily over come by a Spring. Enough tension under normal condition that the spring does not expand but once the cable runs out of travel it will have some give a the end instead of slipping the jacket in its retainer.
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Old 09-19-2004, 03:34 PM   #17
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Just an update. I have been messing around with the brakes trying to see how much brake pedal travel I could get.

Bottom line is that the brake travel is exactly as those have described. If the Jordan is based off the pedal movement, I can tell you first hand that the Jordan might not be the controller of choice in this application.

Additionally, I was reading on the truck forums that a guy that has hydroboost lost his powersteering pump....as a result, he also lost his power brakes!

After spending about a month looking at the controller issue, I've come to the conclusion that the Prodigy is the right way to go in this particular situation.
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Old 10-01-2004, 01:44 PM   #18
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The limitation of the Jordan controller in a GM installation is the fact that the Jordan cable is designed to travel only 1 in through full application. There is no easy way to mount the cable pull to a GM brake pedal that will give this 1 in. of travel because of the location of the streering column support. If you mount the cable pull below the steering column suppot you will see close to 2 ins. of travel in full application of the brakes. This results in the trailer brakes being fully applied long before the truck brakes are fully applied, thus defeating the true proportionality of the Jordan.
To overcome this problem I made a pulley that results in a 2 to 1 reduction of the cable travel from the brake pedal arm to the Jordan controller. This makes the truck and trailer brakes work in complete sink. Take a look at my web page for some pictures.
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Old 10-01-2004, 03:04 PM   #19
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Quote:
Originally Posted by HowieE
The limitation of the Jordan controller in a GM installation is the fact that the Jordan cable is designed to travel only 1 in through full application.
We need to be careful here not to say that all GM tow vehicles have this problem. In my case with the van, my Jordan has very good access to the brake pedal.

Jack
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Old 10-02-2004, 08:43 AM   #20
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Quote:
Originally Posted by HowieE
To overcome this problem I made a pulley that results in a 2 to 1 reduction of the cable travel from the brake pedal arm to the Jordan controller. This makes the truck and trailer brakes work in complete sink. Take a look at my web page for some pictures.
I did something similar with a lever. I installed a small spring to make sure the controller would always return to the off position. I also moved the controller to the left side of the steering column. On this side I could mount it a little closer to the steering column and a bit higher. Also, since the cable enters the controller on the right hand side, putting the controller on the left side of the steering column makes for a staighter run. I think that the instructions say the controller can be mounted up to 18" either side of the brake pedal with the cable in a lazy S, but I had trouble getting it to work at about 12" to the side. Right now it's only a few inches off the centre of the brake pedal and it works well. The only drawback I've found to having the controller on the left side is that it's more likely to be in direct sunlight which makes it a bit hard to read.

Now that I've made these changes I'm happy with the way the Jordan works, but I think that if I had known I was going to have to go through all this I would have looked more closely at the BrakeSmart.

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