The Prodigy P2 is an electronic brake controller designed for trailers with 2, 4, 6, or 8 brakes. It employs an inertial sensor for proportional braking, ensuring smooth stops. This controller has unique connector options for wiring, including pigtail and vehicle-specific harnesses, and it provides essential functionality for safe towing.
Overview of the Prodigy P2
The Tekonsha Prodigy P2 is a proportional trailer brake controller, utilizing an inertial sensor to detect deceleration. This system applies trailer brakes based on the vehicle’s braking action, ensuring a smooth and controlled stop. The controller is designed for use with trailers equipped with 2, 4, 6, or 8 electric brakes. It features a digital display for easy monitoring of settings and brake output. The P2 has a manual override lever, allowing the driver to activate trailer brakes independently. This controller offers flexibility in mounting, accommodating various angles. Installation options include a pigtail wiring harness or vehicle-specific harnesses for seamless integration. The Prodigy P2 also includes boost mode for more aggressive braking situations. It’s a popular choice for those seeking reliability and safety in trailer braking. The unit’s robust construction and user-friendly interface make it a valuable tool for any towing setup. The P2 is known for its accurate and responsive braking.
Prodigy P2 Features and Functionality
The Prodigy P2 offers proportional braking, an inertial sensor, and a manual override. It also features boost mode for enhanced braking. These functions ensure optimal trailer control and safety during towing.
Proportional Braking System
The Prodigy P2 utilizes a sophisticated proportional braking system, which is a key feature for safe and controlled towing. This system employs an inertial sensor to detect the deceleration rate of the tow vehicle. Based on this deceleration, the controller applies the trailer brakes proportionally. This means that the harder the tow vehicle brakes, the more braking power is applied to the trailer. The proportional braking system ensures that the trailer’s braking force matches the tow vehicle’s, preventing jerky stops and providing consistent, smooth braking. Unlike time-delayed controllers, the Prodigy P2’s proportional system reacts instantly to the driver’s braking action, making it a superior choice for various towing conditions. This system contributes to enhanced control and overall safety for the driver and the towed load.
Inertial Sensor Operation
The Prodigy P2’s inertial sensor is the core of its proportional braking system. This sensor is designed to detect the rate of deceleration of the towing vehicle in real-time. As the vehicle slows down, the sensor registers the change in motion and sends a signal to the controller. This signal is then used to determine the appropriate braking force that needs to be applied to the trailer’s brakes. The sensor’s sensitivity allows for a seamless and responsive braking experience, ensuring that the trailer and tow vehicle decelerate at the same rate. This synchronized braking minimizes the risk of trailer sway and improves overall safety, making the Prodigy P2 a reliable choice for towing. The inertial sensor is key to the proportional braking provided by the device.
Manual Override Lever Functionality
The manual override lever on the Prodigy P2 provides the driver with direct control over the trailer brakes. This lever is a critical safety feature, allowing the user to apply the trailer brakes independently of the tow vehicle’s brake pedal. When activated, it sends a variable electrical current to the trailer brakes, enabling controlled braking force application. This is particularly useful in situations that require gentle braking or when additional stopping power is needed, such as on steep inclines. It can also be used to test trailer brake functionality and ensure proper connections are made. The manual lever allows the user to apply a constant voltage between 0.0 and 13 volts, depending on the position of the lever. The manual lever enables you to apply the trailer brakes. It will also apply the appropriate brake voltage.
Installation and Mounting
Proper installation of the Prodigy P2 involves secure mounting within specific angle constraints. It requires careful wiring, utilizing either the included pigtail or vehicle-specific harnesses, for optimal performance and safety.
Mounting Angle Specifications
The Prodigy P2 is designed to be mounted within a specific range of angles to ensure proper functionality. It can be mounted from 0 to 360 degrees vertically in the direction of travel. The front of the Prodigy P2 must remain relatively horizontal, with a tolerance of ±20 degrees. Additionally, the controller should be mounted parallel to the direction of travel, also with a tolerance of ±20 degrees. Failure to adhere to these mounting angle specifications may lead to impaired performance of the brake controller. The Prodigy P2 will automatically adjust to the proper level once mounted. This ensures accurate readings and brake activation. These specifications are crucial for the internal inertial sensor to work correctly, providing accurate proportional braking. Proper mounting is key for the safe operation of your trailer braking system.
Wiring Options and Connections
The Prodigy P2 offers multiple wiring options to accommodate different vehicles and setups. The controller features a unique connector at the back, allowing for two primary wiring methods. Option one involves utilizing the included pigtail wiring harness, which can be installed by following the generic wiring guide. This method is suitable for vehicles without a factory tow package. The second option is to use a vehicle-specific wiring harness. If your vehicle has a factory-installed tow package with a 7-way connector, you can purchase a Tekonsha OEM harness. This harness has the Prodigy P2 connector on one end and your vehicle’s specific connector on the other end, simplifying installation. Proper wiring is essential for the brake controller to function correctly, ensuring reliable communication between the tow vehicle and the trailer brakes. Always ensure a secure connection when wiring your Prodigy P2.
Using Pigtail Wiring Harness
The Prodigy P2 includes a pigtail wiring harness as a primary option for connecting the brake controller. This harness provides a universal solution for vehicles not equipped with a factory tow package. The pigtail consists of several color-coded wires, each designated for a specific function, such as power, ground, brake signal, and trailer brake output. When using the pigtail harness, it is essential to follow the generic wiring guide provided in the manual. This ensures that each wire is correctly connected to the corresponding wire in your vehicle’s wiring system. Proper connections are crucial for the Prodigy P2 to function effectively and safely. Inadequate wiring can lead to improper braking or even damage to the controller. Take the necessary care to secure each wire to prevent any loose connections or shorts.
Vehicle-Specific Wiring Harnesses
For vehicles equipped with a factory tow package, utilizing a vehicle-specific wiring harness is a convenient option for connecting the Prodigy P2. These harnesses are designed to directly plug into the vehicle’s existing wiring system, typically a 7-way connector. This eliminates the need for splicing and simplifies the installation process. Tekonsha offers OEM wiring harnesses that are tailored to fit specific makes and models, ensuring a seamless connection with the Prodigy P2 connector on one end and the vehicle’s connector on the other. This approach minimizes the risk of wiring errors and maintains the integrity of the vehicle’s electrical system. Using a vehicle-specific harness is beneficial for those who prefer a clean and professional installation. It also reduces the time required to connect the brake controller, allowing for a quicker and more efficient setup. Always verify that the harness is the correct model for your vehicle before installation.
Operation and Settings
The Prodigy P2 features an initial setup for power adjustment, boost mode functionality with varying levels, and a display for reading and interpreting the output. These settings allow for precise braking control.
Initial Setup and Power Adjustment
The Prodigy P2’s initial setup involves adjusting the power output to match the trailer’s braking needs. With the engine running, set the power knob to approximately 6.0. Drive the tow vehicle and trailer on a dry, level paved surface at 25 mph and fully apply the manual knob. Repeat this step, increasing the power setting until you reach a point just below wheel lock-up or at a sufficient braking force. Using the brake pedal, make a few low speed stops to check the power setting. When the brake pedal is released, the trailer braking will cease. This power setting is crucial for balancing trailer braking with the tow vehicle’s braking capacity and ensuring smooth, controlled stops. The digital display will show the current power setting and indicate the voltage being sent to the trailer brakes, which is adjustable from 0.0 to 13 volts.
Boost Mode Functionality and Levels
The boost mode on the Prodigy P2 is designed to provide more aggressive braking power for heavier loads or specific conditions. The boost function is available in three levels. The initial press on the boost button displays the current setting. Continuing to press the button advances the boost to the next level. When boost level 1 is engaged, the power starts at about 14% of the set power level and increases with deceleration. Boost level 2 increases sensitivity, starting at approximately 28% of the set power. Five seconds after setting the boost level, the display will revert to normal operation. Use boost for heavier loads or to enhance braking during initial stages of a stop. Boost is indicated by a decimal point on the right side of the display.
Display Readings and Interpretations
The Prodigy P2’s two-digit display provides vital feedback on its operational status. When powered without a trailer, the display shows a specific indicator. With a trailer connected and brakes engaged, the display indicates the power being sent to the trailer brakes. When the manual knob is activated without a trailer, a different reading is shown. During manual braking with a trailer, a number between 0.0 and 13 volts indicates the voltage output to the electric brakes. If there is no trailer connected the display may show “NC”. This means the controller isn’t connected to trailer brakes and will flash. The display may enter a power-saving mode if there is no motion or activity for 15 minutes. It also shows error codes, such as “oL” for overload, which may indicate a problem with the wiring or brake system.
Troubleshooting and Maintenance
This section covers common error codes like “oL,” which indicates an overload, and solutions. Proper trailer brake adjustment is crucial and should be checked every 3000 miles. Maintenance ensures optimal performance of the P2.
Error Codes and Solutions
The Prodigy P2 may display error codes to indicate issues. “oL,” or overload, suggests a problem with the trailer’s electrical system or brakes, possibly a short circuit or too many brakes. An “NC” code indicates no connection to the trailer brakes. This often happens if the brake controller is not connected to the trailer. The controller sends a brief pulse, if it does not detect current draw, it flashes “NC”. Intermittent error codes can also occur. If you get an error, always double-check your wiring and connections first. Consult the manual for specific error codes and troubleshooting steps. Sometimes, poor braking on the trailer can also be related to these error codes, requiring further inspection and correction of any wiring faults. If the error persists, it may indicate a deeper issue with the unit itself.
Trailer Brake Adjustment Procedures
Proper trailer brake adjustment is crucial for safe and effective braking. Brakes should be adjusted after the first 200 miles and then at 3000 mile intervals, or as needed. Start by safely jacking up the trailer and securing it with jack stands, following the manufacturer’s instructions. Remove the adjusting hole cover on the brake backing plate. Using a screwdriver or adjusting tool, rotate the starwheel to expand the brake shoes until the wheel is difficult to turn. Then, rotate the starwheel in the opposite direction until the wheel turns freely with a slight drag. Replace the cover, lower the wheel, and repeat for all brakes. Always ensure the trailer is supported securely on jack stands before working underneath it.