Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If you tow with a Jeep Gladiator, the right trailer brake controller makes a real difference in stability and stopping distance. Choosing a controller that matches your trailer type and how often you tow affects control, safety, and driver confidence. This guide presents a shortlist of the top options for Jeep Gladiator owners, selected for performance and installation practicalities. Below we explain the criteria used to pick these controllers and what to expect when integrating one with your vehicle.
Looking for other parts? See all Jeep Gladiator parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Tekonsha Primus IQ Proportional Trailer Brake Controller | ![]() |
| Most Popular A crowd favorite that many people choose with confidence | HRepair 90195 Universal Trailer Brake Controller (Proportional) | ![]() |
| Best Quality Built to a higher standard if you want something more solid | REDARC Tow-Pro Trail Electric Trailer Brake Controller Kit | ![]() |
| Best Budget The cheapest option that still gets the job done reliably | LAJBZ Proportional Electric Trailer Brake Controller with Digital Display | ![]() |
| Most Sold A high-volume bestseller chosen again and again | CURT Spectrum Integrated Proportional Trailer Brake Controller | ![]() |
| Best Value for Money The sweet spot between price and what you get | REDARC Tow-Pro Liberty Electric Trailer Brake Controller | ![]() |
| Best Overall The best all-around choice for most situations | Tekonsha Prodigy P3 Proportional Trailer Brake Controller | ![]() |
1. Tekonsha Primus IQ Proportional Trailer Brake Controller
| Model | 90160 |
|---|---|
| Voltage | 12 Volts |
| Axles supported | 1-3 axles |
The Tekonsha Primus IQ is a compact, driver-friendly proportional brake controller designed to apply trailer brakes automatically based on how the tow vehicle slows. It mounts under the dash and uses an internal inertia sensor so braking power follows your braking intensity for smoother stops. The unit includes an easy-to-read LED display, self-diagnostic connection checks, three-level boost for extra stopping power when hauling heavier loads, and a manual override for on-demand braking. Its snap-in dash clip and removable connector make it simple to unplug and store when not towing, and the plug-and-play port accepts common vehicle harnesses. In practice the Primus IQ delivers consistent, predictable braking for everyday towing and heavier loads, with straightforward setup and controls. Limitations are its small display viewing angle which may require careful mounting on the Gladiator dash, and it lacks advanced multi-trailer or app-based features found on higher-end models.
Best for: Reliability-focused buyers who prioritize consistent, proven stopping performance and a simple, dependable install on their Jeep Gladiator for regular towing duties.
Less Ideal for: Buyers wanting advanced connectivity, multiple-trailer management, or a large dashboard touchscreen interface should consider higher-end controllers instead.
- Proportional braking with internal inertia sensor for smooth, automatic trailer braking
- Three-level boost for extra stopping power when hauling heavier loads
- Compact under-dash design with snap-in mount and removable connector for easy stowage
- LED display with self-diagnostic checks to confirm trailer connection and activity
- Display is small and best read from above, so mounting position on the Gladiator needs consideration
- No smartphone integration or advanced multi-trailer features found on premium controllers
Verdict A compact, proven proportional controller that gives Gladiator owners reliable, smooth trailer braking without extra complexity.
2. HRepair 90195 Universal Trailer Brake Controller (Proportional)
| Model | 90195 |
|---|---|
| Compatibility | Universal trailer controllers (supports 1-4 axles) |
| Display | LCD with diagnostics and multi-language support |
| Stored profiles | Up to 5 presets |
The HRepair 90195 is a proportional trailer brake controller that applies trailer braking in step with your vehicle’s braking and offers features to simplify repeated towing. It installs with the included wiring harness and mounts under the dash for everyday use on a Gladiator, then connects to the trailer to deliver proportional braking, manual apply via a lever, and three boost levels for heavier loads. The digital LCD reports brake output and basic diagnostics and can store up to five saved profiles so you can switch quickly between trailers or driver preferences. Practical benefits include multiple boost settings for fine tuning on the road, a manual override for emergency stops, and the saved presets that reduce reprogramming time. Limitations to note are mixed long-term reliability reports from other buyers and some units running warm during extended use, and the smaller display and menu navigation are less intuitive than simpler, knob-based controllers. If you value convenience and programmable control for towing a Jeep Gladiator, this unit covers the essentials but expect to check mounting ventilation and verify consistent operation over time.
Best for: Convenience-driven buyers who want a programmable, set-and-forget controller that saves profiles and simplifies switching between trailers for regular Gladiator towing.
Less Ideal for: Buyers who prioritize absolute long-term reliability or want the simplest, no-menu interface should consider a basic, proven knob-style controller instead.
- Proportional braking for smoother, vehicle-linked trailer stops
- Three boost levels to adjust braking power for different trailer loads
- Stores up to five profiles to quickly switch settings between trailers or drivers
- Manual apply lever for on-demand trailer braking and simple emergency use
- Some users report display failures or intermittent electronic glitches after months of use
- Unit can run hot during long towing sessions which may concern durability
- Menu-driven display is harder to read and adjust at a glance compared with simple knob controllers
Verdict A convenient, feature-rich proportional controller for Gladiator owners who tow different trailers often, but inspect for heat and long-term display reliability before committing.
3. REDARC Tow-Pro Trail Electric Trailer Brake Controller Kit
| Brand | REDARC |
|---|---|
| Model | Tow-Pro Trail |
| Compatibility notes | Supports 1–3 axles; vehicle-specific harness required |
| Voltage | 12V/24V compatible |
The REDARC Tow-Pro Trail kit is a compact electric trailer brake controller with a vehicle-specific wiring harness and mounting bracket for plug-and-play installation. It provides two modes: Everyday for smooth, proportional braking on pavement and Manual Off-Road for immediate full-force braking when negotiating steep descents or loose terrain. The kit includes a dash-mounted control dial that integrates near factory switch blanks and a Toyota-compatible harness in this listing, but the same Tow-Pro Trail platform is commonly offered with harnesses for other trucks. In real-world towing the controller gives predictable modulation and built-in sway control, so trailer braking feels stable whether you are on highway or trail. Installation is straightforward when you have the correct harness and the small controller head fits neatly into tight dash spaces. The main limitations are that the product is a vehicle-specific kit requiring the matching harness for true plug-and-play fitment and that advanced installation may still need dash trimming or a switch insert for a factory look.
Best for: A performance-oriented buyer who wants precise, responsive trailer braking for demanding driving and off-road runs and values a compact, driver-accessible controller that behaves predictably under load.
Less Ideal for: Drivers who need a universal controller without sourcing a vehicle-specific harness or those who prefer a simpler time-delayed controller with no off-road features.
- Dual-mode operation (Everyday proportional and Manual Off-Road) for versatile towing conditions
- Plug-and-play wiring harness and mounting bracket simplify installation when matched to the vehicle
- Compact dash dial integrates neatly into factory switch blanks for a near-factory appearance
- Active calibration and built-in sway control improve trailer stability across terrains
- This listing includes a Toyota-specific harness so a Gladiator-compatible harness is required for true plug-and-play
- May require dash modification or switch insert for perfect factory-style fit in some vehicles
Verdict A high-quality, compact brake controller built for confident, performance-focused towing but requires the correct vehicle harness for true plug-and-play fitment.
4. LAJBZ Proportional Electric Trailer Brake Controller with Digital Display
| Compatible axles | Fits 1-3 axles |
|---|---|
| Boost levels | 3 levels |
| Display | Digital backlit readout |
| Mounting range | 180-degree mounting range |
| Wiring | Tekonsha 2-plug compatible port |
This LAJBZ brake controller delivers proportional braking that applies trailer brakes in line with your Jeep Gladiator's deceleration, making towing smoother and more controlled. It mounts beneath the dash and uses a plug-and-play port compatible with Tekonsha-style 2-plug vehicle harnesses for faster installation, and the unit self-levels while driving so you do not need to fine-tune angle settings. A clear digital display shows voltage, diagnostics, and connection status, while a sliding manual override gives on-demand trailer braking with adjustable output. Three boost levels let you tailor braking response for different trailer weights or road conditions, and continuous diagnostic checks help spot wiring or connection problems before they become dangerous. The main compromises are that build quality and long-term durability may not match higher-end factory-quality controllers and full vehicle-specific harnesses are sold separately, so expect a bit of wiring work on some Gladiator model years. For Gladiator owners who need a capable controller on a tight budget, this one covers the essentials without extra bells and whistles.
Best for: Budget-conscious Gladiator owners who prioritize a solid set of features—proportional braking, diagnostics, and easy installation—without paying for premium branding.
Less Ideal for: Drivers who want a fully factory-quality, OEM-grade controller or who prefer a plug-and-play setup that includes every vehicle-specific harness and professional-grade finish.
- Proportional braking with internal inertia sensor for smoother, more predictable stops.
- Clear backlit digital display that shows voltage and performs diagnostics.
- Self-leveling design removes the need to manually adjust installation angle.
- Three boost settings and a sliding manual override for on-the-fly braking control.
- Plug-and-play port compatible with Tekonsha-style 2-plug vehicle harnesses for faster installation.
- Not marketed as a factory-quality unit so long-term durability and component finish may lag premium controllers.
- Vehicle-specific wiring harness for some Gladiator years is not included and may require additional purchase or wiring effort.
Verdict A feature-rich, budget-friendly proportional brake controller that gives Jeep Gladiator owners the essential performance and diagnostics of pricier units while keeping cost low.
5. CURT Spectrum Integrated Proportional Trailer Brake Controller
| Brand | CURT |
|---|---|
| Model | Spectrum |
| Special Feature | Easy to Install |
| Included Components | Spectrum |
The CURT Spectrum is a proportional trailer brake controller that separates the main module (mounted out of sight) from a simple rotary knob interface on the dash. It uses a triple-axis accelerometer to detect vehicle motion and apply braking power smoothly, and the user interface offers a push-button knob plus ten tri-color LEDs for status and adjustment. The hidden module keeps the dash uncluttered and the controller installs using vehicle-specific quick plug harnesses or standard wiring, with automated leveling and calibration to simplify setup. In practice the Spectrum delivers consistent, responsive stops on grades and varying loads without constant driver fiddling, and the remote knob makes manual override easy. Known downsides reported by some users include occasional LED indicators staying lit and the potential need for a wiring adapter or minor fuse troubleshooting during install. For a buyer who prefers a near-factory look and automated proportional braking, the Spectrum provides a reliable, low-profile solution with a few installation quirks to watch for.
Best for: Risk-averse mainstream buyers seeking a factory-style, low-profile brake controller that minimizes driver adjustment and emphasizes consistent, predictable braking behavior.
Less Ideal for: Drivers who want a fully visible multi-function display or those who prefer simpler plug-and-play controllers without any installation or wiring steps.
- Proportional braking via triple-axis accelerometer for smooth, adaptive stops
- Separate hidden main module keeps dash appearance factory-style
- Rotary knob with push-button and multi-color LEDs for simple on-vehicle control
- Automated leveling and calibration reduce setup time and tuning
- Some users report LEDs staying lit when vehicle is off which can cause battery drain
- May require a vehicle-specific wiring harness or minor troubleshooting during installation
Verdict If you want near-factory looks and proportional, hands-off braking for your Jeep Gladiator, the CURT Spectrum delivers smooth stops with a discreet dash knob but watch for occasional LED quirks and wiring needs.
6. REDARC Tow-Pro Liberty Electric Trailer Brake Controller
| Voltage | 12 Volts |
|---|---|
| Fits | 1–2 axles |
| Includes | Remote head with 3.3 ft cable |
The REDARC Tow-Pro Liberty is a proportional trailer brake controller that provides smooth, on-road braking for trailers with one or two axles. It uses an in-cab dash dial and a remote head cable so you can install the main unit out of sight and mount the control knob in a factory-style blank or switch bezel. Typical use is highway and everyday towing where you want steady, proportional braking without a bulky under-dash box. Notable features include active calibration, sway control, and a compact RJ45-style plug for the remote head that simplifies routing under the dash. Practical benefits are its small footprint and factory-like appearance when mounted in a Jeep Gladiator dash, plus the self-calibrating proportional mode reduces trailer push and pull. Limitations are that the accessory wiring harness and vehicle-specific switch inserts are sold separately and the remote button assembly can be sensitive to imperfect mounting surfaces, which may require careful placement or minor adjustments during installation.
Best for: Practical optimizers who want a compact, near-factory brake controller that minimizes dashboard clutter and delivers predictable on-road towing performance in a Jeep Gladiator.
Less Ideal for: Drivers who need heavy-duty or off-road proportional control for very large multi-axle trailers or who prefer a controller with an integrated, larger control module may want a different model.
- Proportional braking for smooth, modulated trailer control on the road.
- Compact remote head allows near-factory dash integration and avoids knee-bumping boxes.
- Active calibration and sway control reduce manual tuning and improve stability when towing.
- RJ45-style connector and short remote cable make routing and hidden mounting easier.
- Vehicle-specific wiring harnesses and switch inserts are not included and must be bought separately.
- Remote head button can bind or be sensitive if mounted on uneven surfaces.
Verdict A compact, factory-style proportional controller that gives Jeep Gladiator owners smooth everyday towing and a clean dash look, but plan to buy the vehicle-specific harness separately.
7. Tekonsha Prodigy P3 Proportional Trailer Brake Controller
| Model | 90195 |
|---|---|
| Voltage | 12 Volts |
| Axles supported | 1-4 axles |
| Stored settings | Up to 5 presets |
The Tekonsha Prodigy P3 is a dash-mounted proportional brake controller designed to give smooth, responsive trailer braking by sensing your Jeep Gladiator’s deceleration and matching brake output to that rate. It is typically installed under the dash and wired to the factory brake-control connector or with an adapter harness for a clean plug-and-play fit. The front color LCD shows real-time diagnostics and alerts while a manual lever lets you apply trailer brakes independently. You can store up to five different driver or trailer settings and use the three-level Boost when you need extra stopping power for heavier loads. Practical benefits for Gladiator owners include repeatable performance across multiple trailers, clear fault reporting, and easy on-the-fly adjustment with the push-button interface. Limitations are that a separate vehicle-specific wiring harness is usually required for a seamless install and the unit needs to be mounted level for the internal inertia sensor to operate correctly, which can constrain placement in some Gladiator dash layouts.
Best for: Balanced all-round buyers who want a reliable, easy-to-use controller for occasional to frequent towing and value predictable, adjustable brake performance across multiple trailers.
Less Ideal for: Drivers who prefer fully integrated factory-instrumentation solutions or those who do not want to run any aftermarket wiring should consider alternative factory-upgrade options.
- Proportional braking for smoother, more natural trailer stop control
- Stores up to five driver or trailer presets for quick switching between trailers
- Front-facing color LCD with diagnostics and alerts for easy monitoring
- Manual lever and three-level Boost give immediate extra braking when hauling heavy loads
- Requires a Jeep Gladiator wiring adapter or harness for plug-and-play installation
- Inertia sensor must be mounted level and near the vehicle centerline to function properly
Verdict A proven, user-friendly proportional controller that gives Jeep Gladiator owners repeatable, adjustable trailer braking when paired with the correct wiring harness.
Choosing the Right Jeep Gladiator Trailer Brake Controller: Key Factors to Consider
Control Mode: Proportional Vs Time-Delayed
The control mode determines how braking force is delivered to trailer brakes and directly affects trailer behavior during stops. Proportional controllers sense vehicle deceleration and apply braking power in proportion to that motion, which yields smoother, more natural braking and reduces the chance of trailer jackknifing. Time-delayed controllers apply a preset ramp of braking power and can be simpler to set up, but they may feel abrupt or mismatched when vehicle speeds and trailer loads vary.
Choosing the right mode depends on your towing patterns. If you frequently carry different loads or tow at highway speeds, proportional control usually provides better modulation. For infrequent, light towing at consistent speeds, a time-delayed unit can be adequate and easier to program.
Braking Performance and Adjustability
Consistent, repeatable braking is critical for safety. Look for controllers that let you fine-tune gain or sensitivity so you can match the trailer brakes to the Gladiator’s stopping characteristics. Adjustable parameters let you compensate for heavier or lighter trailers and for different road or weather conditions.
Good units offer quick, incremental adjustments accessible from the driver seat and may include manual boost functions for short stops under heavy load. The ability to test and recalibrate without lengthy disassembly is important when you change trailers or payloads frequently.
Installation and Wiring Compatibility
Installation affects how quickly you can put the controller into service and how cleanly it integrates with the vehicle. Consider units that support standard tow package connectors or that include clear harnesses and labeled wires for trailer brake controller wiring. Ease of access to mounting locations and a compact in-cab footprint reduce installation complexity.
Wiring quality and protective routing are important for long-term reliability in a Jeep Gladiator that may see off-road or wet conditions. If you prefer professional installation, choose controllers with straightforward harness options to reduce labor time.
In-Cab Mounting and User Interface
An in-cab brake controller should be easy to reach and operate without distracting the driver. Controls should be intuitive, with clearly marked buttons or dials for manual braking and gain adjustments. Display feedback, such as gain indicators or active-status lights, helps you confirm the controller is working and set correctly before departing.
Consider how the unit mounts relative to other controls and whether it fits the Gladiator’s dash or center console ergonomics. A low-profile mount reduces intrusion into cabin space while maintaining accessibility.
Durability and Environmental Resistance
Trailering can expose electronics to vibration, dust, and temperature swings. Durable housings and solid internal components help maintain reliable operation over time. Units designed with sealed connectors and corrosion-resistant terminals are less likely to develop faults from moisture or salt exposure.
If you frequently tow in harsh conditions or use unpaved roads, prioritize controllers with robust build quality and warranties that reflect confidence in durability.
Compatibility With Trailer Brake Types
Different trailers use hydraulic electric or electric-actuated drum brakes and require controllers suited to those systems. Ensure the controller supports the type of trailer brakes you typically tow and the number of brake axles. Some controllers offer mode selection to accommodate both electric and electric-over-hydraulic setups.
Matching the controller to the trailer brake system prevents improper actuation, reduces wear, and ensures predictable trailer response during braking events.
FAQ
Do I need a trailer brake controller for my Jeep Gladiator?
Whether you need one depends on trailer weight and local regulations. Heavier trailers usually require a separate controller to actuate trailer brakes safely. Even when not legally required, a controller can improve braking stability and reduce wear on the tow vehicle’s brakes.
What is the easiest type of controller to install?
Basic time-delayed controllers tend to be simpler to wire and mount because they require fewer sensors. However, ease depends on whether your Gladiator has a factory tow package or a compatible connector. Controllers with dedicated harnesses for the vehicle reduce installation time and complexity.
How should I set the gain or sensitivity?
Start with a moderate setting and perform controlled test stops at low speed with a representative trailer load. Increase gain gradually if the trailer lags when braking or decrease it if the trailer brakes lock up. Recheck after any change in payload or trailer configuration.
Can I install the controller myself?
Many owners can install an in-cab brake controller with basic wiring skills and common tools, especially if a vehicle-specific harness is available. If you are uncomfortable with vehicle wiring, or if the installation requires routing wires through bulkheads, professional installation is a sensible option.
Will the controller work with electric-over-hydraulic trailers?
Some controllers include modes or outputs that support electric-over-hydraulic systems, but not all do. Confirm that the controller supports your trailer’s actuation type and offers the necessary adjustments for proper hydraulic actuation.
How We Chose the Best Jeep Gladiator Trailer Brake Controller
We prioritized controllers that deliver predictable braking behavior and are compatible with the electrical and mounting constraints typical of mid-size pickup platforms. Key evaluation criteria included braking responsiveness under varied load, availability of proportional versus time-delayed operation modes, ease and clarity of in-cab mounting, and quality of wiring and connector options for a secure vehicle interface. We also considered adjustment features for fine-tuning brake force, the clarity and usability of the user interface while driving, and the robustness of the unit for regular towing use. Units were excluded if they lacked clear wiring compatibility for factory tow packages, did not support closed-loop proportional control when required by modern trailers, or offered poor mounting options for in-cab placement. The resulting list focuses on controllers that balance dependable braking performance with straightforward installation and user control features.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right trailer brake controller for a Jeep Gladiator comes down to matching control type, adjustability, and installation method to your towing habits. Prioritize proportional control and fine adjustability if you tow varied loads or travel at highway speeds. If you tow rarely or only light trailers, a simpler time-based unit and straightforward wiring may suffice. Balance durability and in-cab ergonomics against installation complexity, and recalibrate after any change in trailer weight or brake type. Focusing on these tradeoffs will help you pick a controller that improves safety and confidence while towing.
Explore More:
- Check out all Jeep Gladiator parts & accessories
- Explore Electronics
- Browse all Accessories






