Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.
Brake controller activates trailer brakes in proportion to deceleration. LED screen shows settings and diagnostics. Features 3 boost levels. Automatically levels when mounted within 90-degrees in the vertical plane.
With a proportional brake controller, you can get heavy-duty emergency braking, general braking, or slow-to-an-idle braking for your trailer automatically. The intensity with which your trailer brakes are activated and the rate at which they are applied are dependent on the deceleration of your tow vehicle. This means that, unlike time-delay controllers - which send the same amount of preset power to your trailer brakes every time - proportional controllers are able to adapt to every braking situation differently.
So, if you slam on the brakes in your truck, your trailer brakes will activate with that same extreme intensity. And if you merely slow down as you approach a red light, your trailer will gradually brake in the same manner.
As long as the I-Command is properly mounted according to the included instructions, the controller will automatically level, sense the tow vehicle's deceleration, and adjust the trailer's braking accordingly. The result is uniform braking across your towing setup. No push-pull action - just smooth, proportional braking every time.
Power Boost for Heavy-Duty Towing
The I-Command offers a boost feature that gives you more initial braking power for times when you're towing heavy loads. You can switch boost levels so that the power output to your trailer brakes automatically starts out at either 14 percent or 28 percent of the predetermined power setting.
So, if you boost the initial power so that your trailer brakes activate with 25 percent of the overall intensity at the start, the brakes will reach maximum braking faster. This is particularly beneficial if you are towing a heavy load because the intensity required to stop that load may be far greater than that needed to halt your vehicle. Therefore, sending out more initial power to the trailer brakes - and causing them to reach maximum braking faster - allows you to better control the trailer so that it doesn't push your tow vehicle before coming to a complete stop.
If your trailer weighs less than your tow vehicle, no boost is needed. But if you wish to set the boost so that your trailer leads the braking of your towing setup, you can select level B1. The following table gives an indication of when you might use the different boost levels and the power increases that they offer.
|Approximate Gross Trailer Weight||Boost Level||Increase in Initial Power Output|
|Less than tow vehicle GVW||B1||14%|
|Equal to tow vehicle GVW||B1 or B2||14% or 28%|
|Up to 25% more than tow vehicle GVW||B1, B2, or B3*||28%|
|Up to 40% more than tow vehicle GVW||B2 or B3*||28%|
* Both B2 and B3 offer a 25-percent boost in initial power. But the braking curve for B3 is more aggressive than that of B2. This means that, even though you will start out with the same intensity when using these boost levels, you will get an overall more aggressive braking experience with the higher level. So if you use B3, you will reach maximum braking sooner than if you use B2.
The I-Command offers advanced safety features to prevent damage to various components of your towing setup. Integrated reverse battery protection shields the brake controller and your trailer's breakaway system from shorts.
If ever there is a time that you need to brake your trailer separately from your tow vehicle - when traveling down a steep incline, for example - the manual override lever is easily accessible. Pushing this lever engages the brakes on your trailer with full power.
The I-Command has a digital LED display to keep you informed of your trailer's braking. The display shows the gain setting when the control is activated. It can also be used to check for connectivity with your trailer, to determine your boost setting, and to troubleshoot.
Automatic Leveling and Simple Installation
Because this controller operates with an internal inertia sensor, it must be mounted between -20 degrees and 70 degrees in the vertical plane. The I-Command must be mounted on a level horizontal (side-to-side) plane and must be lined up with the direction of travel for the internal sensor to function properly.
The automatic leveling feature of the I-Command ensures that the brake controller continues to function even as you drive up steep hills or through the mountains. Mount the controller at a vertical angle that is between 0 degrees (level) and 70 degrees, and the controller with level itself automatically.
Installation of the I-Command requires that you either purchase a custom wiring adapter designed to plug into the controller or that you hardwire the controller directly into your vehicle. To hardwire the controller, you must remove the plug at the end of the integrated wiring harness.
For easier installation, a vehicle-specific wiring adapter (sold separately) is available for most newer trucks and SUVs. One end of the custom adapter plugs into your vehicle, and the other end plugs into the controller - no hardwiring required.
For even easier installation, a vehicle-specific wiring adapter (sold separately) is available for most newer trucks and SUVs. One end of the custom adapter plugs into your vehicle, and the other end plugs into the controller - no hardwiring required.
Note: If a custom brake-control wiring adapter is not available for your vehicle, one of the following will be required:
20-Amp circuit breaker (9506P - sold separately) for 2- to 4-brake applications
30-Amp circuit breaker (38630 - sold separately) for 6- to 8-brake applications
See also etrailer.com's exclusive 7- and 4-way brake-control installation kit (ETBC7 - sold separately) if you don't already have a 7-way plug at the back of your vehicle.
Video of Draw-Tite I-Command Trailer Brake Controller - 1 to 4 Axles - Proportional
Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.
Today we're going to be taking a look at the Draw-Tite I-Command Proportional Trailer Brake Controller. This controller is going to activate the trailer brakes in proportion to your vehicle's braking action, it's going to automatically adjust the trailer's braking based on deceleration of the towed vehicle, and it activates immediately, so there's no pausing like when using time-delayed brake controllers. This unit's also going to automatically level. The brake control will automatically acquire the proper level setting, it's also going to automatically adjust as you travel up or down hills. A few unique features about this system. As you can see here, we have the easy to access buttons, we're going to have the boost setting right here on top and it says 'Boost' right here on the disc plate, so that way we know these button go with that setting. On this side we're going to have the gain control, and it says 'Gain' right there so we know that these buttons are associated with that control.
The boost setting is going to let you adjust the aggressiveness with which the brakes are activated, so this is setting is great in situations where you're hauling heavier loads or your trailer weight is significantly more than your vehicle weight. It's going to be available in three settings, you're going to have Boost 1, Boost 2, and Boost 3. It's going to allow you to get full power output faster by pressing the plus buttons right here, or the minus buttons to achieve maybe a smoother braking action. You can get full output power faster by pressing the plus button to increase the activation speed, and then you can achieve smoother braking by pressing the minus button to supply power gradually. Located right here at the front is going to be the easy to read digital display. This is going to be an LED display, it's going to show the controller activity.
The unit is short-circuit protected. On this side you're going to have the gain setting, this is going to establish the maximum amount of power available to the trailer brakes. As the gain increases, and you just the plus or minus buttons to do that, so it's very easy to adjust, but as that increases what that means is more power is going to be available to the brakes when the brake peddle in the vehicle is pressed or when the manual control is used. We do have the built in slide bar manual override right here at the front, very easily accessible. Gain is going to be shown from zero to ten, with zero being the minimum and ten being the maximum. That simply represents a percentage of the full power.
It's a quick and easy installation, your mounting bracket and hardware are included, and then it's going to be able to plug into a vehicle specific brake control adapter. Those are sold separately and can be used for certain applications to help reduce installation time. Again, this is designed for trailers with up to four axles or A-brake assemblies. It's designed for use with electric brakes only. When mounting this, you can mount this anywhere from -20 degrees nose down, anywhere to 70 degrees nose up in the vertical plane.
You want to make sure this is parallel with the direction of travel, but anywhere in between those indicators that I gave you, -20 degrees nose down or 70 degrees nose up, this is still going to be fully functional. All the leveling, the sensor inside, that's going to be functional as long as you stay within those increments, or those measurements of negative 20, 70 degrees nose up. Really nice design, it's a nice small compact unit as well. Here at the widest part it's only going to measure about 2-3/4" wide, and then the overall length is going to be about 4-1/4", and then the depth or the thickness is only 1-1/8". It's going to be covered with a unlimited lifetime warranty. Now what I want to do is I just want to show you how easily that display can be read. I'm just going to hook up a couple of wires here today just to send some power to it, I'm going to hook up a ground power then the power wire, and then we thumb through some of the settings and you can get an idea for how easy it is to read and how easy it is to see that display. NC is going to stand for Not Connected, but it's still going to allow us to kind of go through. We have our gain setting, you can see how that easily adjusts with a simple press of the button, and again you can go all the way up to ten, you can hold it down, which is going to allow you to adjust quicker, all the way up to ten. Then you can press individual to make finer adjustments, or you can hold it down and it's going to go all the way down to zero. You can adjust to anywhere in between that setting, really nice design. You're also going to have the manual override right here, which for me it's just saying I'm not connected, which is correct since I'm just feeding off a power box. Then you're going to have your boost setting. You're going to have Boost 1, Boost 2, Boost 3, then just the B shows you that you're in the boost settings, then you have 1, 2 and 3 to choose from. That's going to do it for today's look at the Draw Tite I-Command Proportional Trailer Brake Controller.
Average Customer Rating: 4.9 out of 5 stars (40 Customer Reviews)Brake controller activates trailer brakes in proportion to deceleration. LED screen shows settings and diagnostics. Features 3 boost levels. Automatically levels when mounted within 90-degrees in the vertical plane.
THE CONTROLLER MOUNTED EASILY AND PERFORMED AS STATED. I'VE BEEN CONTENT WITH THE DRAW-TITE DELAY STYLE CONTROLLER I USED FOR 30 YEARS BUT THE PROPORTIONAL STYLE 5535 IS A MUCH BETTER CONCEPT. IT ACTS LIKE THE TOW VEHICLES BRAKES BY APPLYING MORE BRAKE THE HARDER THE BRAKES ARE APPLIED. I'VE ONLY USED IT ON ONE TRIP ON DRY ROADS WITH NO HARD STOPS SO IT MAY REQUIRE SOME TWEAKING THE MORE I USE IT. I TOW AN ENCLOSED 24 FOOT CAR TRAILER AND SET THE CONTROLLER MID RANGE ON BOTH SETTINGS AS MY STARTING POINT. 293519
by: JOHN PRESCOTT06/03/2016
Hooked up the brake control with a vehicle specific adapter eliminating the chance for incorrect wiring or shorting of wires. Tried it out immediately after install & worked as designed. Using this to control the electric brakes on my popup camper pulled by a Tacoma. 256331
by: Josh R.08/17/2016
I wish I would have bought this controller last year when I bought my first camper. We upgraded to a new truck and the old controller wouldn't work so the GREAT team and ETRAILER told me this was the controller to get. Man were they RIGHT. I love that as soon as I hook up my trailer it tells me right on the controller that it is connected and when I unhook or don't have the plug seated fully it will tell me N.C(not connected). Hands down the best controller I have ever used and at a great price. 284541
by: Jerry Fairchild09/17/2016
Seems to be a wonderful product installed it in my 99 Dodge in about 15 minutes plug it in went down the road and back brakes worked great simple and easy Ali together done in about 20 minutes back home sitting in back yard having a cold beer don't get much better than that 295754
by: Brian C.10/04/2016
I only gave 4 stars because I have yet to use the trailer brake controller. Shipping and customer service from eTrailer was top notch. Quick delivery and continuous updates. Brake controller is much smaller in size than I imagined. Installation was a snap, however the instructions had wiring color configurations incorrect for my vehicle. Easy fix, thanks YouTube. All in all, I cannot wait to order again from eTrailer. 303320
by: Ed C.07/10/2016
The Drawtite brake controller and cable for my 2007 Silverado went together like a dream. I tested it on a dual axle 22ft beavertail equipment trailer and it adjusted perfectly and definitely allows the vehicle and trailer to stop in a much shorter distance and more controlled way. I'd highly recommend this product because it works well as advertised and cost about half of what other units out there. 270249
by: Christopher Lee Wirth07/21/2016
install was easy and straight foward, located a video on this website that assisted me in locating the factory wire harness to install this piece of equip 274705
This break controller was very easy to install. I installed it on a 2014 Honda Pilot. I did not have power to the unit at first after plugging it into the supplied adapter under the driver's side dash. I had to put a 20 amp fuse into the fuse box under the hood labeled trailer breaks. After this minor setback, it was up and running. Thank you etrailer. 272834
by: John D.01/22/2017
Received the product quickly and was exactly as described. Installed the controller and the plug in wiring worked perfectly, made some basic adjustments that were in the instructions to start. Picked up my trailer and loaded up a International farm tractor on the trailer and brake controller worked just the way I needed it to. Thanks etrailer 334416
by: Joe T.06/24/2016
Product works and works well. Wiring harness plugged in perfectly. Little Nissan Frontier tows a heavy dump trailer and stops with ease. 264570
by: Dennis M07/16/2016
received the package on Wednesday and it took me 10 minutes to install and calibrate. Towed my 29 foot travel trailer and the brakes worked great. I expected it to be difficult but it was a very smooth install and the directions were very clear. Glad I decided to go with the proportional type controller. 272659
Great product with very easy install and even better customer service, placed an order late one afternoon and chose the wrong shipping for time I needed it by, gave them a call and they had no problem at all changing it for me and I received the product early the next morning as needed. Great service! 311643
by: Jeremy H10/01/2016
I got the Draw tire 5535 proportional brake controller today and the plug and play wiring for my Toyota 4Runner. It was a simple 10 minute installation. Wiring was a breeze. Mounting it was 2 quick holes in three bottom of the dash. I haven't used it yet but th display shows all is well. 302424
by: Great product06/23/2016
Installed on my 2004 Chevy Avalanche. Controller works great towing my 28' travel trailer. 264083
by: Randy VB10/14/2016
You guys are the tops. Not only was my order shipped correctly the first time, but it arrived earlier that expected. I'm extremely pleased with the mirrors and the brake controller. Once again Great job and Keep up the good work. George, thank you for the inquiry... 306806
by: Darryl H.08/13/2016
I ordered this with the adapter cable and installed it in seconds. Then I mounted it and tied up the wires and it worked perfectly, much better than my factory built in unit in my 2012 Ram 3500. Thank you for the instructions to bypass my factory controller. 283507
by: Mike C.09/10/2016
Great product. Just plugged it in with the adapter I ordered with it for my 03 Dodge 2500 and it worked without any headaches. It activates the trailer brakes as advertised and is small enough to be out of the way of my legs. Good price and fast shipping. 293191
by: Joe H.06/04/2016
Purchased the controller over the phone(faster shipping than on-line) had it in 5 days, with adapter plug mounted the bracket plugged it all together and bingo it worked just like the people at E-trailer said it would, NO HASSLE at all !!!!!!! 256759
by: Brian B.08/30/2016
This is a great product. Integrates well with my 2017 Honda Ridgeline and installation was a breeze. It helped that there was a U-Tube video out there as well. The settings provide exactly what is needed for an electric brake controller. 289192
by: Larry p01/24/2017
Very good description of product and what I needed to order. Every thing arrived on time and the price was very reasonable. The brake controller does everything it was advertised to do. Great product , great service by e.trailer thanks 335128
by: Mark C10/10/2016
Received my controller and wiring kit, and preparing to install everything appears to be complete. The parts shipped right away and were delivered in a timely manner. Will definitely do business in the future again. 305218
by: Norm K07/23/2016
The videos that etrailer has posted with info on this controller was very helpful. The plug in adapter and installation on the controller was very dimple and the unit works great! 275264
by: Garrett K06/06/2016
Awesome little unit. The boost really helps with towing heavy loads to give that added breaking pressure when you hit the pedal and Backs off based on what you need. 258213
Installed easily on my 06 Durango using the pre-made jumper. Haven't towed with it yet. Order arrived correctly. Great experience with etrailer.com. 262733
Received everything in great order, packed nicely to avoid damage to smaller parts and very quickly. Great to do business with. Thanks. 299901
by: Sam M12/12/2016
The trailer brake unit connected right up with no wiring issues at all and works great! Thank you for your help. Sam 324291
very easy to install, no wire splicing Easy to program and functioned flawlessly! Delivered as promised (2-day ship) 315940
by: Tim P07/13/2016
The company was very easy to deal with. I received all the products quickly and exactly what I needed. 271377
PRODUCT FITS AND WORKS PERFECTLY.SHIPPING WAS VERY FAST.ON LINE VIDEO GREAT HELP IN INSTALLATION. 315154
Haven't tried it on the trailer but I'm sure it will work fine. Wiring was straight forward. 258681
by: Ron M11/17/2016
1st time user. Fast delivery. Thanks for the video to install. I recommend this company. 317418
Installed in less than 5 minutes, have not pulled with it yet. Order was shipped quickly 272290
Product worked as described. Plugged right in. Extremely easy install. Thanks. 339266
by: Chris N.07/22/2016
thanks fast shipment great company , easy to install . 275202
by: Phil B.11/17/2016
Very satisfied. Easy to install and easy to operate. 317551
by: Frank C11/16/2016
Cheaper than big box stores and fast de livery! 317162
So far so good but haven't towed yet. 303018
by: R. D. Price01/15/2017
Great product, fast delivery....A+ 332796
Great service and price. 325684
Great price and product 297192
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