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The Pro Series Pilot trailer brake controller is a great option for those who tow light loads at all hours of the day and night, in all types of weather. Its dark, smokey lens makes it ideal for direct light applications, creating optimum visibility to read the large, two-digit display. The Pilot brake controller kit is a time-based controller that works by electronically connecting your vehicle and your trailer. When you hit the brakes in your tow vehicle, it generates an output signal that ramps up, or increases over a period of time, applying braking power to your trailer at a fixed rate. Its large, easy-to-read dual digit display shows power output and the aggressiveness with which the controller applies the brakes. The Pilot also has manual override to help you brake safely when an unexpected stop pops up. It features advanced internal circuit protection, real time diagnostics, short circuit protection, and loss of ground. Because the Pilot is time-based, it can be mounted in any direction. Plus, the Plug & Play feature allows for quick and easy connection with your vehicle’s wiring. The Pilot trailer brake controller works with 1-3 axle trailers, comes with all the mounting hardware needed for installation, and is backed by a limited 1-year warranty.
| BRAND: | TEKONSHA |
| PART NUMBER: | 80550 |
| WARRANTY: | Limited Lifetime Warranty |
| WEIGHT: | 0.6 LBS |
| MATERIAL: | PLASTIC |
| BRAKE CONTROL TYPE: | TIMED |
| TRAILER BRAKE WHEEL QUANTITY: | UP TO SIX WHEELS |
| BRAKE TYPE: | ELECTRIC |
| Diagnostic Capable: | YES |
| DISPLAY TYPE: | LED OUTPUT |
| HYDRAULIC CONNECTIONS: | NO |
| SOLID STATE CONSTRUCTION: | YES |
| CIRCUIT BREAKER PROTECTED: | NO |
| HOUSING COLOR: | BLACK |
| BRACKET INCLUDED: | YES |


Tekonsha is a leading manufacturer of electronic trailer brake controllers, pioneering the category in the 1970s. The lineup spans proportional units such as the Prodigy P3 and Prodigy iD, time-delayed controllers, the wireless Prodigy RF, plus vehicle-specific wiring harnesses, adapters and trailer brake components engineered for smooth, predictable stopping at any speed.
Tekonsha Engineering Company began in 1964 building RV steps and mirrors. Within a few years it had found its real calling, and by the 1970s Tekonsha was pioneering the manufacture of electronic trailer brake controllers, the product category that still defines the brand. More than half a century later it remains the reference name in trailer braking and is part of the Horizon Global group alongside Reese, Draw-Tite, Fulton, Bulldog and Wesbar.
A brake controller is the component that tells a trailer's electric brakes how hard to work and when, and getting that right is the difference between a controlled stop and a shove from behind. Tekonsha builds both major types. Proportional controllers use an internal accelerometer to sense how quickly the tow vehicle is slowing and apply trailer braking to match, so light braking stays light and hard braking is immediate. Time-delayed controllers ramp to a preset output over a fixed interval, a simpler and more economical approach that suits occasional towing.
The current brake controller range covers most of that ground. The Prodigy iD pairs with a phone through Tekonsha's EDGE technology for setup and monitoring, the P3 offers storable settings for multiple trailers and a trilingual colour LED display, the Prodigy P2 adds a dimmable display and boost mode for heavier loads, and the Voyager keeps operation simple and dependable. The Prodigy RF mounts to the trailer itself and controls wirelessly, which suits rental fleets and drivers who swap tow vehicles.
Installation is supported by vehicle-specific brake control harnesses that plug into a factory connector rather than requiring cut-and-splice wiring, along with mounting brackets and adapters. Matched controller bundles pair a unit with the correct harness. Products are tested to meet and often exceed published industry standards.
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1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2002 - 2010 | Mercury Mountaineer | w/Factory Tow Package |
The 2002-2010 Mercury Mountaineer Tekonsha Pilot Trailer Time Delay Brake Controller for Trailers with 1 to 3 Axles 80550 (Part #80550 70291) fits the following vehicles: 2002-2010 Mercury Mountaineer. Always verify your specific year, make, and model before ordering.
Yes, the 2002-2010 Mercury Mountaineer Tekonsha Pilot Trailer Time Delay Brake Controller for Trailers with 1 to 3 Axles 80550 (Part #80550 70291) is designed to fit the 2002-2010 Mercury Mountaineer.
The 2002-2010 Mercury Mountaineer Tekonsha Pilot Trailer Time Delay Brake Controller for Trailers with 1 to 3 Axles 80550 (Part #80550 70291) fits 2002-2010 Mercury Mountaineer models. The 2010 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2002-2010 Mercury Mountaineer Tekonsha Pilot Trailer Time Delay Brake Controller for Trailers with 1 to 3 Axles 80550 (Part #80550 70291) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The Electric Trailer Brake Control Wiring Adapter is a connector that allows you to plug an electric trailer brake control unit into your vehicle's existing electric brake control harness. It interfaces between the brake control and the vehicle's 6-pin connector, enabling the brake control to receive power and brake signals from your vehicle.
The adapter is designed for most vehicles equipped with an electric brake control harness and a 6-pin connector. The manual provides specific harness locations for Ford Full Size Van (underneath and left of steering column), Ford Explorer and Mercury Mountaineer (behind glove box on passenger side, or underneath and left of steering column taped to another harness near the emergency brake pedal), and most other vehicles (under the dash near the center console). Consult your vehicle's owner's manual or contact the manufacturer if your vehicle is not listed.
On a Ford Full Size Van, the electric brake control harness is located underneath and to the left of the steering column.
On a Ford Explorer or Mercury Mountaineer, the electric brake control harness is located behind the vehicle glove box on the passenger side, or it may be located underneath and to the left of the steering column, taped to another harness near the emergency brake pedal.
The adapter uses a 6-pin connector that mates with the 6-pin connector at the end of the vehicle's electric brake control harness.
Yes. Before installation, you must verify that battery power is supplied to the connector. Use a test light to carefully probe the connector, or follow the wires to their source to ensure they do not dead end without connections behind the instrument panel. If power is present, proceed directly to plugging in the adapter. If no power is present, you will need to use an electric brake control wiring kit to route power to the connector.
If your vehicle's electric brake control connector has no power, you must use an electric brake control wiring kit. Follow the wiring kit's installation instructions to route all wires. You will need to cut the vehicle connector's battery feed wire (leaving enough wire to reconnect using the supplied butt connector) and cut the trailer brake wire (leaving enough wire to reconnect using the supplied butt connector). Then proceed with plugging in the adapter.
1. Locate your vehicle's electric brake control harness (location varies by vehicle model). 2. Verify battery power is supplied to the connector using a test light. 3. If no power is present, use an electric brake control wiring kit to route power (cut and reconnect wires as instructed). 4. Plug the brake control adapter into the vehicle's electric brake control harness connector. 5. Follow all brake control manufacturer's installation instructions and mount the unit as directed. 6. Perform test procedures as instructed by the brake control manufacturer.
Yes. The manual cautions that you must plug the brake control adapter into the mating receptacle on the backside of the brake control before attaching it to the vehicle connector.
The adapter is rated for a maximum of 4 axles and 8 brakes at 24 amps. Do not exceed the lower of your towing manufacturer's rating or this limit. Overloading the circuit can cause fires.
Wear safety glasses and use all safety precautions during installation. Read and follow all vehicle warnings and installation instructions before beginning. Complete the installation per the electric brake control manufacturer's instructions and perform all test procedures as instructed.
Overloading the circuit can cause fires. You must not exceed the lower of your towing manufacturer's rating or the adapter's maximum of 4 axles and 8 brakes (24 amps). Always consult your vehicle's owner's manual and instruction sheet for additional information.
The adapter fits most vehicles with an electric brake control harness and 6-pin connector. Specific locations are provided for Ford Full Size Van, Ford Explorer, and Mercury Mountaineer. Check your vehicle's owner's manual or contact the manufacturer if your vehicle is not listed.
Only if your vehicle's brake control connector has no battery power. Use a test light to verify power before installation. If power is present, you can proceed directly to plugging in the adapter.
Only if your vehicle's brake control connector has no battery power. In that case, you will need to cut the battery feed wire and trailer brake wire and reconnect them using butt connectors supplied with an electric brake control wiring kit. If power is already present, no cutting is required.
The adapter is rated for a maximum of 24 amps (4 axles, 8 brakes). Do not exceed the lower of your towing manufacturer's rating or this limit, as overloading can cause fires.
Yes. After plugging in the adapter, you must complete the installation per the electric brake control manufacturer's instructions, mount the unit as directed, and perform all test procedures as instructed.





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