Agility Electric Brake Controller: A Comprehensive Guide
Welcome! This manual details the Agility electric brake controller, ensuring safe and effective trailer braking․
Proper installation and setup are crucial for optimal performance and driver confidence on every journey․
Electric brake controllers are essential safety devices for anyone towing a trailer equipped with electric brakes․ Unlike surge brakes, which rely on the trailer’s momentum, electric brakes require a signal from the towing vehicle to activate․ This signal is provided by the brake controller, translating the driver’s braking input into an electrical current sent to the trailer brakes․
The controller allows for proportional braking, meaning the trailer brakes apply with the same intensity as the vehicle’s brakes, enhancing stability and control․ Modern controllers offer features like adjustable sensitivity, maximum brake output settings, and even diagnostic capabilities․ Understanding how these controllers function is paramount for safe towing․
Without a properly functioning electric brake controller, the trailer’s braking performance will be significantly compromised, potentially leading to dangerous situations․ This guide focuses on the Agility Electric Brake Controller, providing detailed information for installation, operation, and maintenance․
Understanding the Agility Electric Brake Controller

The Agility Electric Brake Controller is a technologically advanced unit designed to provide superior trailer braking performance and user control․ Unlike traditional controllers, Agility utilizes a sophisticated microprocessor to deliver smooth, proportional braking, reacting instantly to changes in the towing vehicle’s deceleration․
This controller features an intuitive interface, allowing drivers to easily adjust settings for sensitivity, maximum brake force, and brake response․ It’s engineered to handle a wide range of trailer brake systems and vehicle electrical systems․ Agility controllers are known for their compact design and ease of installation, fitting seamlessly into most vehicle interiors․
Furthermore, the Agility controller incorporates diagnostic features, alerting the driver to potential issues with the trailer wiring or brake system․ This proactive approach enhances safety and minimizes the risk of unexpected brake failures during travel․
Key Features and Benefits
Agility Electric Brake Controllers boast several key features delivering significant benefits to towing enthusiasts․ Proportional Braking ensures smooth, controlled stops mirroring the tow vehicle’s deceleration․ Adjustable Sensitivity allows customization for various trailer loads and driving conditions․ The Digital Display provides clear feedback on brake status and settings․
User-Friendly Interface simplifies operation, even for first-time users․ Diagnostic Capabilities identify potential wiring or brake system faults․ Compact Design facilitates easy installation in most vehicles․ Enhanced Safety is paramount, providing reliable braking performance when needed most․
Increased Control gives drivers confidence while towing․ Reduced Trailer Sway contributes to a more stable towing experience․ Extended Brake Life due to smoother, less abrupt braking applications․ Ultimately, Agility controllers offer peace of mind and a safer journey․
Agility Models: A Comparison
Agility offers several brake controller models, each tailored to specific needs and budgets․ The Agility CBC1 is our entry-level model, providing proportional braking and adjustable sensitivity – ideal for lighter trailers․ Stepping up, the Agility CBC2 adds a digital display for enhanced monitoring and diagnostic features․
The Agility CBC3, our premium offering, incorporates a user-programmable interface, allowing for highly customized brake response curves․ It also features Bluetooth connectivity for firmware updates and remote monitoring via a smartphone app․ Maximum trailer weight capacity varies between models, ranging from 3,500 lbs to 16,000 lbs․
Key differences lie in the level of customization, diagnostic capabilities, and connectivity options․ Consider your trailer weight, towing frequency, and desired level of control when selecting the appropriate Agility model․ A detailed specification chart is available on our website․
Installation Guide: Preparing for Setup
Before beginning installation, carefully review this guide and the vehicle owner’s manual․ Disconnect the negative terminal of your vehicle’s battery to prevent accidental shorts during wiring․ Gather all necessary tools (see section ‘Tools Required for Installation’)․ Ensure the vehicle is parked on a level surface and the parking brake is firmly engaged․
Locate a suitable mounting position for the Agility brake controller․ It should be within easy reach of the driver, offering clear visibility of the display (if applicable)․ Avoid locations that obstruct airbags or interfere with driving controls․ Verify vehicle compatibility using the chart in section ‘Vehicle Compatibility Check’․
Inspect the vehicle’s wiring harness for any damage or corrosion․ If necessary, repair or replace damaged wiring before proceeding․ Read all safety warnings included in this manual before starting the installation process․ Proper preparation is key to a successful and safe installation․
Tools Required for Installation
To ensure a smooth installation of your Agility electric brake controller, gather the following tools beforehand․ You will need a standard screwdriver set (Phillips and flathead), wire strippers/crimpers for secure connections, and a multimeter to verify electrical continuity and voltage․ A socket set with various sizes is also essential for removing interior panels and securing the controller․

Additional helpful tools include electrical tape for insulating connections, zip ties for cable management, and a drill with appropriate bits for mounting the controller․ A wire fishing tool can simplify routing wires through the vehicle’s interior․ Safety glasses are highly recommended to protect your eyes during drilling and wiring․
Having these tools readily available will streamline the installation process and minimize delays․ Refer to the vehicle’s service manual for specific tool recommendations related to accessing the wiring harness․

Vehicle Compatibility Check
Before beginning installation, verifying your vehicle’s compatibility with the Agility electric brake controller is paramount․ Most modern vehicles are readily compatible, but some older models or those with specific electrical systems may require an adapter․ Consult the Agility compatibility chart on our website – [insert website address here] – entering your vehicle’s year, make, and model․
Specifically, check if your vehicle utilizes a dedicated trailer brake wiring harness․ If not, you may need to install one․ Confirm the vehicle’s voltage system (typically 12V) matches the controller’s requirements․ Important: Vehicles with pulse-width modulation (PWM) systems generally require a PWM-compatible controller, which the Agility controller supports․
If uncertainty exists, contact our technical support team for assistance․ Incorrect installation due to incompatibility can damage the controller or vehicle’s electrical system․
Wiring the Agility Brake Controller
Carefully disconnect the vehicle’s negative battery terminal before commencing any wiring․ Locate the vehicle’s trailer brake wiring, typically found under the dashboard․ Refer to your vehicle’s owner’s manual for precise location․ The Agility controller requires connections for power, ground, brake signal, and trailer brake output;
Use the provided wiring diagram – [insert diagram reference here] – to correctly identify each wire․ Ensure all connections are secure and properly insulated using butt connectors or solder and heat shrink tubing․ Avoid twisting wires together without proper connectors, as this can lead to intermittent connections and potential hazards․
Double-check all wiring before reconnecting the battery․ Incorrect wiring can damage the controller, vehicle’s electrical system, or result in improper brake function․ A multimeter is highly recommended for verifying continuity and voltage․
Connecting to the Vehicle’s Wiring Harness
Locate the vehicle’s dedicated trailer wiring harness connector․ This is often a flat 4-pin or a round 7-pin connector, depending on your vehicle and trailer setup․ If your vehicle doesn’t have a factory harness, a compatible aftermarket harness is strongly recommended for a secure and reliable connection․
Match the Agility controller’s wiring to the corresponding pins on the vehicle’s harness․ Typically, white is ground, brown is tail/running lights, yellow is left turn/brake, and red is right turn/brake․ The blue wire is dedicated to the electric brake output․ Always verify pin assignments with your vehicle’s wiring diagram!

Securely connect the Agility’s wiring harness adapter to the vehicle’s harness, ensuring a snug fit․ Use dielectric grease to protect the connections from corrosion․ A properly connected harness eliminates the need for splicing and maintains the vehicle’s warranty․
Grounding and Power Connections

Establishing a solid ground is paramount for the Agility controller’s proper function․ Connect the controller’s white wire to a clean, unpainted metal surface on the vehicle’s chassis, as close to the controller location as possible․ Use a ring terminal and secure it with a self-tapping screw․
For the power connection, identify the vehicle’s 12V accessory power source․ This wire should be hot only when the ignition is on․ Connect the Agility’s black wire to this source, using a fused connection – a 10-amp fuse is generally sufficient․ Never connect directly to the battery!
Double-check all connections for tightness and proper insulation․ A loose ground or power connection can cause erratic behavior or damage to the controller․ Ensure wires are routed away from heat sources and moving parts․
Setting Up and Calibration
Initial setup involves configuring the Agility controller to match your vehicle and trailer․ Begin by powering on the controller; the unit will perform a self-test sequence, indicated by flashing lights․ Refer to the display for any error codes․
Calibration is crucial for optimal braking performance․ The Agility utilizes a learning mode to adapt to your trailer’s braking characteristics․ During the initial calibration drive, apply the brakes at varying intensities – gentle stops, moderate braking, and emergency stops – to allow the controller to establish a baseline․
Adjust sensitivity using the controller’s adjustment knob or buttons, observing the trailer’s response․ Fine-tune the settings until you achieve smooth, controlled braking without trailer sway․ Consult the display for recommended settings based on trailer weight․
Initial Power-Up and Self-Test
Upon initial power-up, the Agility electric brake controller initiates a comprehensive self-test sequence․ This diagnostic process verifies the functionality of all internal components, including the circuit board, output transistors, and sensor connections․ Observe the LED display; a series of illuminated icons will cycle through․
Successful completion of the self-test is indicated by a solid green light or a specific confirmation message on the display․ If any errors are detected, a red light will illuminate, accompanied by a corresponding error code․ Refer to the troubleshooting section of this manual to identify and resolve the issue․

Ensure the vehicle’s ignition is switched on, but the engine does not need to be running during this process․ The controller draws power directly from the vehicle’s electrical system․ A complete self-test typically takes between 5-10 seconds․
Adjusting Brake Sensitivity and Response
The Agility controller offers adjustable sensitivity and response settings to tailor braking performance to your specific trailer and driving conditions․ Sensitivity controls how quickly the controller reacts to initial brake application from the tow vehicle․ Higher sensitivity means quicker response, ideal for heavier trailers or aggressive braking․
Response adjustment dictates the maximum braking force applied to the trailer․ Start with a lower response setting and gradually increase it during test drives․ Monitor the trailer’s braking behavior – look for smooth, controlled stops without excessive trailer sway or lock-up․
Utilize the controller’s adjustment buttons or menu options to fine-tune these settings․ Always perform adjustments in a safe, open area, free from traffic․ Document your preferred settings for future reference and consistent performance․
Troubleshooting Common Issues
Encountering problems? This section addresses frequent issues․ First, No Brake Signal Detected – verify the connection to the tow vehicle’s brake light circuit and ensure the vehicle’s brake lights function correctly․ Check the controller’s power and ground connections․
Erratic Brake Application often stems from loose wiring connections․ Inspect all connections thoroughly, focusing on the trailer connector․ A faulty ground can also cause this; ensure a clean, secure ground connection․ Controller Not Responding? Double-check the power supply and fuse․
If issues persist, consult the complete wiring diagram․ Remember safety first – disconnect the controller before performing any electrical troubleshooting․ If uncomfortable, seek assistance from a qualified technician․
No Brake Signal Detected

Problem: The controller displays “No Brake Signal” or fails to activate trailer brakes when the vehicle brakes are applied․ First, verify the tow vehicle’s brake lights are functioning correctly․ A faulty brake light switch or blown bulb will prevent the signal from reaching the controller․
Next, inspect the wiring connection between the controller and the vehicle’s brake light circuit․ Ensure the connector is securely fastened and free from corrosion․ Check the controller’s input wire specifically designated for the brake signal․ Use a multimeter to confirm voltage presence when the brake pedal is pressed․
Finally, review the vehicle’s wiring diagram to confirm correct wire identification․ If the signal remains absent, consult a qualified automotive electrician for further diagnosis․
Erratic Brake Application
Problem: The trailer brakes apply inconsistently, pulsing, grabbing, or failing to maintain even pressure during braking․ Initial troubleshooting involves checking the ground connection․ A loose or corroded ground can cause intermittent signals․ Ensure a clean, secure connection to the vehicle’s chassis․
Next, examine the wiring harness for damage, shorts, or open circuits․ Inspect each connection point between the controller, the vehicle, and the trailer․ Verify the trailer’s brake magnets aren’t worn or damaged, as this can lead to uneven application․
Adjust the controller’s sensitivity settings․ Excessive sensitivity can amplify minor electrical fluctuations․ If the issue persists, consider a faulty controller or a problem within the trailer’s brake system itself, requiring professional inspection․
Maintenance and Care
To ensure long-lasting performance of your Agility electric brake controller, regular maintenance is recommended․ Periodically inspect all wiring connections for corrosion, looseness, or damage․ Tighten any loose connections and clean corroded terminals with a wire brush or electrical contact cleaner․
Keep the controller clean and free from dust and debris․ Use a soft, dry cloth to wipe down the unit․ Avoid using harsh chemicals or abrasive cleaners․ Check the mounting hardware to ensure the controller remains securely fastened․

If your model supports firmware updates, regularly check the manufacturer’s website for the latest version․ Updating firmware can improve performance and add new features․ Proper care will maximize the controller’s lifespan and ensure reliable operation․
Cleaning and Inspection
Regular cleaning and inspection are vital for maintaining the reliability of your Agility brake controller․ At least every six months, or more frequently in harsh environments, disconnect the controller’s power source before beginning․ Use a soft, dry cloth to wipe down the exterior casing, removing dust, dirt, and grime․

Carefully inspect all wiring connections for signs of corrosion, fraying, or damage․ Ensure all connections are secure and properly insulated․ Check the mounting brackets and screws to confirm the controller is firmly attached to the vehicle․ Look for any physical damage to the unit itself․
Avoid using liquid cleaners, as they can damage internal components․ A simple wipe-down and visual inspection can prevent many potential issues and ensure safe operation․
Firmware Updates (If Applicable)
Periodically, Agility may release firmware updates to improve performance, add features, or address potential issues with your electric brake controller․ Check the official Agility website (www․agilitybrakecollection․com) for available updates and instructions․ Typically, updates are delivered as a downloadable file․
Follow the provided instructions precisely․ Most updates require a USB connection to your controller and a compatible computer․ Do not interrupt the update process, as this could damage the unit․ Ensure your vehicle’s ignition is switched off during the update․
Successful updates will be confirmed by the controller itself, often with a visual or audible signal․ Always back up your current settings before updating, if the option is available․ Updating firmware keeps your controller operating at peak efficiency․