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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: | 80500 |
| WARRANTY: | Limited 5 Year Warranty |
| WEIGHT: | 0.6 LBS |
| MATERIAL: | PLASTIC |
| BRAKE CONTROL TYPE: | TIMED |
| TRAILER BRAKE WHEEL QUANTITY: | UP TO FOUR WHEELS |
| BRAKE TYPE: | ELECTRIC |
| 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 |
|---|---|---|
| 2012 - 2015 | Mercedes-Benz GL550 | w/Factory Tow Package |
The 2012-2015 Mercedes-Benz GL550 Tekonsha POD Trailer Time Delay Brake Controller for Trailers with 1 to 2 Axles 80500 (Part #80500 70352) fits 2012-2015 Mercedes-Benz GL550 models. The 2015 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 2012-2015 Mercedes-Benz GL550 Tekonsha POD Trailer Time Delay Brake Controller for Trailers with 1 to 2 Axles 80500 (Part #80500 70352) is designed to fit the 2012-2015 Mercedes-Benz GL550.
The 2012-2015 Mercedes-Benz GL550 Tekonsha POD Trailer Time Delay Brake Controller for Trailers with 1 to 2 Axles 80500 (Part #80500 70352) fits the following vehicles: 2012-2015 Mercedes-Benz GL550. Always verify your specific year, make, and model before ordering.
The 2012-2015 Mercedes-Benz GL550 Tekonsha POD Trailer Time Delay Brake Controller for Trailers with 1 to 2 Axles 80500 (Part #80500 70352) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
Yes, the 3066-037 Electric Trailer Brake Control Wiring Adapter is designed for Mercedes ML, GL, GLE SUV and GLS Series vehicles. The adapter connects to the vehicle's factory electric brake control harness located underneath the dash behind the brake pedal.
The 3066-037 is an Electric Trailer Brake Control Wiring Adapter that connects a trailer brake controller to your Mercedes vehicle's factory electric brake control system. It provides the interface between the aftermarket brake controller and the vehicle's 4-pin brake control harness connector located under the dash.
A trim panel remover is the only tool specified as required for installation. This tool is needed to access the vehicle's brake control harness located underneath the dash behind the brake pedal.
Before beginning installation, ensure the vehicle is completely off with the keys removed from the ignition. Always wear safety glasses during installation. Read and follow all warnings and instructions included with the brake control unit itself, as the adapter must be installed per the brake control manufacturer's specific instructions.
The vehicle's electric brake control harness is located underneath the dash. To access it, pull back the carpet behind the brake pedal to expose the 4-pin connector that mates with the adapter.
First, plug the brake control adapter into the mating receptacle on the backside of the brake control unit itself. Then, plug the adapter into the vehicle's 4-pin electric brake control harness connector located under the dash behind the brake pedal. This two-step connection prevents incorrect mating.
The adapter provides four connections: Trailer Brake Controller Output, Fused Trailer Brake Controller Battery Feed, Ground, and Vehicle Stop Lamp Switch to Brake Controller Input. The adapter housing contains female terminals on the wire side to accept the corresponding connections.
The adapter is rated for a maximum of 6 brakes (16 amps) on up to 3 axles. Do not exceed the lower of your towing manufacturer's rating (including the rating in your vehicle owner's manual) or this 16-amp specification. Overloading the circuit can cause fires.
Route the wires and mount the brake controller carefully to avoid airbag deployment locations and any other points that may pinch or break the wire. Locate a routing path for the adapter to exit the bottom of the dash. Complete all routing and mounting per the brake control manufacturer's specific installation instructions.
After installation, perform all test procedures as instructed by the brake control manufacturer. The manual requires that you complete the installation per the electric brake control manufacturer's instructions and mount the unit as directed, then perform the test procedures they specify.
The 3066-037 is designed for Mercedes ML, GL, GLE SUV and GLS Series vehicles. It connects to the factory electric brake control harness under the dash.
You need a trim panel remover to access the brake control harness under the dash.
The manual does not specify battery disconnection. It requires only that the vehicle be off with keys removed from the ignition before beginning installation.
The adapter is rated for a maximum of 6 brakes (16 amps) on up to 3 axles. Do not exceed the lower of your towing manufacturer's rating or this specification.
First plug the adapter into the mating receptacle on the backside of the brake control unit, then plug it into the vehicle's 4-pin harness connector under the dash.
The adapter provides Trailer Brake Controller Output, Fused Trailer Brake Controller Battery Feed, Ground, and Vehicle Stop Lamp Switch to Brake Controller Input connections.





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