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  1. Trailer Brake Controller
  2. Ford
  3. Transit T350
  4. 2018
  5. Tuson RV Brakes
Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional

Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional

Item # 335DL-100
Our Price: $434.90
Trailer Brake Controller
Shipping Weight: 2 lbs
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The best technical support and full trailer brake controller installation instructions. Great price Transit T350 trailer brake controller and expert service. Ford Transit T350, 2018 trailer brake controller by Tuson RV Brakes are available from etrailer.com. For expert service call 1-800-940-8924 to order your Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional part number 335DL-100, or order online at etrailer.com.
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Tuson RV Brakes Trailer Brake Controller - 335DL-100

  • Electric
  • Electric over Hydraulic
  • Proportional Controller
  • Up to 4 Axles
  • Tuson RV Brakes
  • Color Display
  • Dash Mount
  • Under-Dash Box

This proportional brake controller automatically syncs to your vehicle's computer network for smooth, precise braking. Low-speed brake adjustment gives you 2 settings for different speeds. Plug-and-play controller mounts in any direction.


Features:

  • Brake controller activates trailer brakes in proportion to your tow vehicle's braking action
    • Plugs into your vehicle's OBD-II port, allowing it to read your vehicle's computer and sync your trailer's braking to it
    • Activates faster than accelerometer-based brake controllers
  • Handheld remote with color LCD gives you convenient control and extensive diagnostic information that's easy to read
    • Spring-loaded manual override lever allows you to manually apply the amount of braking you need to your trailer's brakes
  • 40 Different braking levels let you fine-tune braking power and aggressiveness
    • Different settings are available for different-sized trailers
  • Low-speed brake adjustment ensures smooth braking for both highway cruising and in-town driving
  • Easy plug-and-play installation
    • OBD-II connector plugs into your vehicle's port
    • Additional, included harness connects controller to your vehicle - either hardwire it in or use a custom adapter (sold separately) to plug into your vehicle
    • Mounts in any orientation - no drilling required


Specs:

  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Compatible with electric or electric-over-hydraulic trailer brakes
  • Dimensions: 6-1/4" long x 3" wide x 1-1/8" tall
  • 5-Year limited warranty


Proportional Braking

What is proportional Braking

The Tuson DirecLink is unique in that it connects directly to your vehicle's computer network, constantly reading data from your vehicle to give you proportional braking. Proportional braking means that your trailer brakes mimic your tow vehicle's brakes. Using multiple data parameters, this brake controller will analyze your tow vehicle's braking and momentum. It will then send out enough power to your trailer brakes so that they are activated with an intensity that matches. The result is uniform braking across your towing setup, saving wear and tear on the tires and brakes of your trailer. No push-pull action - just smooth, proportional braking every time.


DirecLink Operation

With the main unit mounted out of sight, the remote puts control of your trailer's brakes right in your hand. In addition to offering fast and easy power adjustment and a manual override, it keeps your cab clutter-free and your towing experience simple.


Tuson DirecLink remote

Using the up and down buttons on the handy remote, select the brake scale for your trailer. This will set the amount of power the brake controller sends to your trailer to bring it to a stop; how much you'll need will depend on the weight of your trailer. You'll want to set the brake scale as high as you can without locking up the brakes. There is no need to adjust this setting unless you are going from an empty trailer to a fully loaded trailer or vice versa.


Tuson DirecLink remote manual override

The remote also puts the manual override right in your hand, great for stopping sway or controlling your trailer's momentum in emergencies. To engage the manual override, just press the trigger. This will activate the trailer's brakes and brake lights without you having to apply the brakes on your tow vehicle, perfect for limiting trailer movement while you're cruising.


Tuson DirecLink review

Low-Speed Brake Adjustment

The DirecLink has a unique feature to make your braking smoother: low-speed braking adjustment. When you're cruising on the highway, you need a different amount of braking power to slow your trailer than when you're driving slowly through town. The low-speed braking adjustment on this controller adds the option of a secondary setting to the brake scale. Use the sub-menu on the remote to set the low-speed setting. The DirecLink will use this level of braking scale whenever you're towing below 30 mph, so you have smooth, safe, and comfortable braking at any speed.


Customizable Settings

In addition to the essentials of towing, the Tuson DirecLink has an extensive menu of extra features for configuring the controller to suit your needs and preferences.


Trailer Size

At the standard brake scale setting, the DirecLink offers 20 levels of braking. This is designed for trailers less than 10,000 lbs. For trailers more than 10,000 lbs, the DirecLink has an additional 20 levels to choose from, making 40 total, so you have more flexibility to find just the right brake scale for your larger trailer.


Adjust Braking Power for Long Stops

When you're waiting at a red light or stuck in bumper-to-bumper traffic, you don't need your trailer brakes on at full power. The longer you sit there, the more likely they are to overheat. To keep your trailer's brakes from wearing out prematurely, you can set a different braking level for when your vehicle is stopped. You can set it between 5% and 30% of the full brake scale, and that will keep your vehicle and trailer in place on a steep grade or a slippery boat ramp without overdoing it.


Maximum Brake Limit

The maximum brake limit feature lets you fine-tune your braking so you can find the perfect blend of safe and comfortable braking. It allows you to set a high braking level for your manual override, especially important for large and heavy-duty trailers, while moderating your normal-use braking. So if your brakes lock up at 75% of your set brake scale, you can dial the maximum brake limit back to 70%, while still having 100% braking power available for an emergency. You can tow with peace of mind without sacrificing a comfortable ride.


Tuson DirecLink brake controller

Real-Time Diagnostics

Because the DirecLink is direcly connected to your vehicle's computer, it is able to access its data and offer a large range of diagnostics, including:


  • Trailer connection
  • Tow vehicle battery voltage
  • OBD-II network connection integrity
  • Brake controller ground and power connection
  • Brake switch voltage
  • Blue wire voltage and current output
  • Blue wire short
  • Engine RPM
  • Transmission temperature (only available for Ford and GM vehicles using VPW/PWM network protocols)

Simple Installation

With a vehicle-specfic harness, the DirecLink offers an easy, plug-and-play installation. If no custom harness is available for your vehicle, use the included wiring harness to hardwire directly into your vehicle's wiring, and then plug into the controller. The other harness on the DirecLink plugs right into the OBD-II connection port on your vehicle. Once you plug this harness in, the DirecLink will automatically configure to your vehicle's system.


The DirecLink can be mounted at any orientation, so you can install it wherever's convenient for you. Use the included cable ties and the corner holes to secure the main unit to a stable location where it won't shift or move. The remote comes with a flush dash mount and a swivel dash mount with adhesive so you can put it on your dash with no drilling required.


Installation Accessories

See etrailer.com's exclusive 7-way upgrade kit for brake controller installation (ETBC7 - sold separately) if you don't already have a 7-way plug at the back of your vehicle.



DL-100 Tuson Direct Link Basic Proportional Brake Controller - 1 to 4 Axles

Installation Details 335DL-100 Installation instructions

Customer Satisfaction Score:


Customer Reviews

Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional - 335DL-100

Average Customer Rating:  4.4 out of 5 stars   (19 Customer Reviews)

This proportional brake controller automatically syncs to your vehicle's computer network for smooth, precise braking. Low-speed brake adjustment gives you 2 settings for different speeds. Plug-and-play controller mounts in any direction.

by:

Everything arrived before due date and was well packaging. You all rock, and also, the items are good. . Best place to order all your trailer and truck accessories.



by:

Complicated to install - used mechanics shop for install - had the wrong OBD interface cable initially, delayed / complicated further.

Unit functions well. Happy with it overall and would recommend it.

Manufacturer and e-trailer were readily available to provide extra support.



by:

Michelle V went above and beyond to research the items I was needing to ensure I ordered the correct model for my truck. Parts were promptly delivered in a well packed box. Install was straight forward and went well. Thank you Michelle!



by:

Before I even get home to get my mail "Carol C" is already begging for praise. If you have to fish for reviews, i wonder if i should just return your junk



by:

Great controller and easy to use. The hand held feature makes this tremendously easier to utilize especially through the mountain passes along with being less obtrusive when not in use as you can just disconnect the controller and put it in your storage compartment.



by:

Have a 6 year old unit in my 2001 7.3. Kept Old Red and bought a new truck. Tired of factory brake failures and underperformance. Replaced with DirecLink. The low speed braking and holding brakes are available nowhere else. Awesome Tech Support.



by:

This product is excellent for the Simi Truck conversion. It works seamlessly with the Jackalopee as the interface to my Fifth Wheel.



by:

It wont work if you need to hook up another thing on the OBD2 port.
a few connecting issues on long trips



by:

I appreciate all questions answered

Dennis

4/9/2022

The brake controler itself works great... I had only 1 problem... I was told to wire it direct to the batteries and not to try to connect to the ignition switch... I found later when not in use and my truck parked it was draining my batteries.... So I put a switch in it.. Other than that its a good system...



by:

Unit arrived not working / broken

Etrailer Expert

Jenny N.

9/15/2022

Thank you for reaching out about the non working unit. Customer service will reach out to work with you on a solution.



by:

Easy to hook up! Great product, fast delivery and easy installation.



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Fast service. Received exactly what was ordered.



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See what our Experts say about this Tuson RV Brakes Trailer Brake Controller

  • Will the Tuson DirecLink Controller Work With Pressure Transducer On 2006 Chevy Silevardo 3500
    The Tuson DirecLink Base Model Trailer Brake Controller part # 335DL-100 is an excellent top of the line option for a 2006 Chevrolet Silevrado 3500. It is a proportional brake controller which means it senses the deceleration of the tow vehicle and then applies a corresponding voltage to the trailer brakes. That said, this feature is controlled by an internal inertia sensor not a pressure transducer like your existing brake controller uses. The vast majority of electric trailer brake controllers...
    view full answer...
  • How To Use Tuson DirecLink Base Model Trailer Brake Controller On International Prostar Semi
    Heavy duty semi tractors like the International Prostar don't typically use standard OBDII ports. Therefore, in order to use the Tuson DirecLink Base Model Trailer Brake Controller part # 335DL-100 you'll need an adapter like the Tuson Heavy Duty Truck Module Kit for DirecLink Brake Controller; part # 335HDCON-6PIN for 6-pin or part # 335HDCON-9PIN for 9-pin.
    view full answer...
  • Can Tuson DirecLink be Used with Semi Trucks
    Since even semi trucks like what you have use OBDII connectors the Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100 that you referenced can be used. The module of this is what interprets the brake signal from your tow vehicle and decides how much brake pressure to apply. As long as your current adapter setup has a brake output circuit that makes it's way to the trailer brakes that wouldn't be an issue either.
    view full answer...
  • Difference Between the Tuson DirecLink Base and Tuson DirecLink Lite
    The main difference between the Tuson DirecLink Base Model Trailer Brake Controller part # 335DL-100 and the Tuson DirecLink Lite Trailer Brake Controller part 335DL-50 is that the Base has low-speed brake adjustments and transmission temperature monitoring on Ford and GM vehicles. The low speed brake adjustments allows you to adjust the amount of braking that the DirecLink applies at low vehicle velocities such as in town driving. The Tuson DirecLink is one of the most innovative brake...
    view full answer...
  • Harness for Installing Tuson DirecLink Brake Controller on 2020 Honda Ridgeline
    You can use the brake controller install harness part # 3070-S to install the Tuson DirecLink Base Model Brake Controller part # 335DL-100 on your 2021 Honda Ridgeline. The # 3070-P would work too but you'd have to cut off one of the connectors to hardwire it to the controller wiring which the 3070-S already has done.
    view full answer...
  • Will The Tuson DirecLink Work In A 2003 Dodge Ram 3500?
    I have spoken to Tuson about this issue and there is no way to tell beforehand if the intermittent vehicle OBD network connection will happen, unfortunately. However, as you have a 2003 Ram 3500 and this is listed as being a problem with some Ram trucks from 2005 to 2009 and I have not seen or heard of any issues with trucks before this year span, there should not be any issue with this working for your application. The only thing is that I cannot say that 100% for sure. Which is a huge...
    view full answer...
  • Does the Tuson DirecLink Brake Controller Check Pressure from Factory Transducer Signal
    The Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100 takes a handful of parameters into account when it applies braking. I reached out to my contact at Tuson about the factory transducer signal on your 2022 Ford F-350 Super Duty and while they said they can't answer that directly (they don't want to put any info out there about what all it reads), they did say the controller will apply more braking power if the towing rig is moving faster - so it is able to tell speed and...
    view full answer...
  • Recommended Adapter for Connecting a Tuson Brake Controller to a 2016 Chevy Suburban
    If your 2016 Chevrolet Suburban has the factory tow package you will be able to install the Tuson DirecLink Trailer Brake Controller item # 335DL-100 using the Tekonsha Plug-In Wiring Adapter item # 3016. If you do not have the factory tow package you will not have the adapter port and you will need to hard wire the brake controller with the included universal harness. I have linked an installation video below so you can see how to get this brake controller set up. The Tuson Asymmetric...
    view full answer...
  • Compatibility of Tuson DirecLink Brake Controller # 335DL-100 with 2006 Toyota Tacoma
    I spoke with my contact at Tuson regarding the DirecLink Base Model Trailer Brake Controller # 335DL-100 and your 2006 Toyota Tacoma. The potential issue with regards to fitment for this controller on trucks prior to 2008 is that not all of them are equipped with the factory 16-pin OBD-II port under the dash that this hooks up to. Many previous model year trucks do have this port but many do not, making it difficult to confirm fitment accross the board which is why Tuson lists compatibility...
    view full answer...
  • Recommended Tuson DirecLink Trailer Brake Controller For 2013 Freightliner M2 112 Towing Car Hauler
    The Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional # 335DL-100 you were looking at for your 2013 Freightliner M2 112 pulling a Kaufman Wedge Car Hauler will be perfect. The 335DL-200NE you were looking at has actually been discontinued by the manufacturer. To install the # 335DL-100 in your truck you will need the Tuson Heavy Duty Truck Module Kit for DirecLink Brake Controller - 9 Pin # 335HDCON-9PIN If your truck has a 9-pin Deutsch connector, or the...
    view full answer...
  • Will the Tuson DirecLink Base Model Trailer Brake Controller Work On a 2020 Subaru Outback
    The Tuson DirecLink Base Model Trailer Brake Controller part # 335DL-100 will work on a 2020 Subaru Outback. However, it would require you to splice into the vehicle which is not what I recommend. Instead, I recommend the Curt Echo Mobile Trailer Brake Controller part # C51180 which is plug and play so no splicing is required. In order to use the Curt Echo, you will need the T-One Vehicle Wiring Harness part # 118467 with the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation...
    view full answer...
  • Parts Needed To Install a Brake Controller On a 2020 Cadillac XT4 With Factory 4-Way Flat
    To install the Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100 into your 2020 Cadillac XT4 you will need the Universal Installation Kit for Trailer Brake Controller # ETBC7. This kit will also include the necessary wiring to change your 4-way flat trailer plug into a 7-way blade style connection. The extra connectors are for the brake controller output as well as a 12 volt charge line to maintain the battery level on the trailers battery.
    view full answer...
  • Parts Needed To Install Tuson DirecLink Trailer Brake Controller On 2003 Ford Expedition
    Yes, in order to install the Tuson DirecLink Base Model Trailer Brake Controller part # 335DL-100 on a 2003 Ford Expedition with factory 7-way you'll need the Tekonsha Custom Wiring Adapter for Trailer Brake Controllers part # 3035-S. This way, you won't have to do any actual splicing into the vehicle.
    view full answer...
  • Compatibility of Tuson Brake Controller With 2016 Subaru Outback
    The Tuson DirecLink Base Model Trailer Brake Controller - 1 to 4 Axles - Proportional # 335DL-100 is compatible with the 2016 Subaru Outback. You will simply use # ETBC7 to add the 7-way connector, wiring, and circuit breakers. If you don't already have the 4-way wiring harness, then I recommend starting with # 118467.
    view full answer...
  • Trailer Brakes Engaged On Truck When Kenworth Trailer Is Not Hooked Up
    It sounds like the red wire that is coming from the brake switch to the brake controller could be hooked up to the wrong circuit. Use The Hook Probe Circuit Tester # PTW2993, to find the wire coming out of the back of the brake pedal switch under the dash that is hot (12 volts) when the brake is applied and cold (no power) when the brakes are not applied. It could also be that the wire that leads to the battery or fuse block used to power the trailer accessories could be hooked up to...
    view full answer...
  • Difference Between Tuson Heavy Duty Truck Module Kits for DirecLink Brake Controller
    The difference between the two is the 9-pin Deutsch connector they are compatible with; one is for green 9-pin Deutsch connectors (which have a slightly larger pin size) and the other is for the standard 9-pin Deutsch connector. So you wouldn't be able to use either on your truck, you would need to look at your 2007 Volvo 670 VN to see what color the 9-pin connector is; this is typically found under the dash. That will allow you to determine the right connector: - Tuson Heavy Duty Truck...
    view full answer...
  • Can Curt True Course be Used with Tuson DirecLink Trailer Brake Controller
    Yes, the Curt True Course # C94VV referenced in your question is compatible with the Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100. The Curt will just plug in line with the 7-Way connector on the trailer and won't affect operation of the Tuson brake controller at all. For this reason the Curt is really going to be compatible with just about any brake controller. This will give you a nice, safe setup with your tow vehicle and trailer to keep everything stable and in control...
    view full answer...
  • Where Is the Brake Controller Port On An Entegra Coach Vision Motorhome
    The Entegra Coach Vision is built on a Ford F-53 Chassis which means there should be a pre-wired brake controller port under the dash. The exact location of this port can vary but most likely it will be on the left side of the steering column support which you can see shown in the attached photo. If you don't already have a brake controller in mind, the Tuson DirecLink Base Model Trailer Brake Controller part # 335DL-100 gets my approval as it is one of the most advanced controllers on...
    view full answer...
    Image 1 for
  • How to Install the Tuson Direclink 100 on a 2011 Freightliner M2 102 DayCab
    I may have a solution for you, but I checked our resources and we're not showing any brake controller adapters available to install a brake controller on the 2011 Freightliner M2 chassis. In all likelihood if there is a plug in for a brake controller it's somewhere under the dash, but I really can't tell you where in this case or confirm that there is one on this chassis. With that said, since there is no adapter available, if you were looking to use the Tuson Direct # 335DL-100 you would...
    view full answer...
  • Parts Needed to Use Tuson DirecLink Base Model Trailer Brake Controller With 2020 Nissan NV 3500
    If you already have a 7-way on your 2020 Nissan NV 3500 then yes, the Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100 has everything you need to install it. If you don't already have a 7-way you will need to add one to be able to use the brake controller and the brakes on your trailer. The first thing you need to add is a 4-way. The # 118553 from Tekonsha is the most reliable option. Then, you can upgrade to a 7-way with the # ETBC7. This comes with the adapter, wiring,...
    view full answer...
  • Will The Tuson DirecLink 335DL-100 Work With A 2007 Dodge Ram 2500
    I spoke to Tuson and the DirecLink Base Model Trailer Brake Controller # 335DL-100 can have some issues with some of the Dodge trucks up to 2007. They mentioned that it is actually an issue with the truck's systems, but again, not all of them. Unfortunately, the only way to tell if there is an issue is to try the # 335DL-100 and see if it happens. If it doesn't, you are good to go. However, if it does happen, you just need to let us know and we can set up a return.
    view full answer...
  • Does Tuson DirecLink Brake Controller Fit 2023 Kia Sorento
    Yes Jeff, the Tuson DirecLink brake controller part # 335DL-100 that you referenced does for sure fit your 2023 Kia Sorento as it basically fits all vehicles that have OBD2 port.
    view full answer...
  • Is Tuson DirecLink Brake Controller Compatible with a 2005 Freightliner Century Class
    Hey Ray, thanks for reaching out! The Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100 can definitely be used with your 2005 Freightliner Century Class either by splicing in the wiring or using one of the following adapters if they match your truck: - 6-Pin # 335HDCON-6PIN - 9-Pin # 335HDCON-9PIN - 9-Pin with Green Connector # 335HDCON-9PIN-G500 - 16-Pin # 335HDCON-16PIN You'll also need to install the Universal Wiring Kit # ETBC7 if you don't already have a functioning...
    view full answer...
  • Will Tuson DirecLink Brake Controller Work with International Prostar Pulling 40 Foot Trailer
    Yes, the Tuson DirecLink Base Model Trailer Brake Controller # 335DL-100 will work well for a 40 foot trailer that is equipped with 2 axles. This unit is compatible with trailers that have up to 4 axles (8 total brake assemblies). The DirecLink will simply plug into the OBD-II port and the pigtail harness will need to be spliced into the appropriate wires on your truck (see attached image). For your International Prostar you will likely need to add either the Module Kit # 335HDCON-6PIN...
    view full answer...
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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Jacob T
Video Edited:
Jacob T
Employee Kathleen M
Updated by:
Kathleen M
Employee Mike S
Updated by:
Mike S
Employee Amanda K
Updated by:
Amanda K
Employee Cole B
Installed by:
Cole B
Employee Chris R
Video by:
Chris R
Employee Thomas T
Video by:
Thomas T
Employee Robert C
Test Fit:
Robert C
Employee Kevin C
Test Fit:
Kevin C
Employee Kristina F
Written by:
Kristina F

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