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Tekonsha
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1995 - 2009 Dodge Ram 1500
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The BRAKE-EVN electric brake controller offers top-notch trailer braking when you need it most. This superlative proportional brake controller utilizes patented braking sensor technology and advanced electronics to provide a smooth braking response in any stopping situation. The BRAKE-EVN has easy-to-use arrow buttons so you can effortlessly set the power output to your desired braking power, a boost feature that lets you apply up to three levels of additional braking power, especially when hauling heavier loads, and manual override to help you brake safely when an unexpected stop pops up. The BRAKE-EVN also has a digital LED display so you can monitor your settings and trailer braking activity, a power-save mode to reduce battery drain when not in use, and a compact design, making it easily accessible from the driver’s seat. The Tekonsha BRAKE-EVN trailer brake controller works with 1-4 axle trailers, has a Plug & Play feature that allows for quick and easy connection with your vehicle’s wiring, comes with all the mounting hardware needed for installation, and is backed by a five-year limited warranty.
| BRAND: | TEKONSHA |
| PART NUMBER: | 8508220 |
| WARRANTY: | Limited 5 Year Warranty |
| WEIGHT: | 1.9 LBS |
| MATERIAL: | PLASTIC |
| BRAKE CONTROL TYPE: | PROPORTIONAL |
| TRAILER BRAKE WHEEL QUANTITY: | UP TO EIGHT WHEELS |
| BRAKE TYPE: | ELECTRIC |
| Diagnostic Capable: | YES |
| DISPLAY TYPE: | DIGITAL 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.
Experts available to answer your questions
Call 888-634-94941 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 1995 - 2009 | Dodge Ram 1500 | — |
The 1995-2009 Dodge Ram 1500 Tekonsha BRAKE-EVN Proportional Brake Controller for Trailers with 1 to 4 Axles Black 8508220 (Part #8508220 70196) fits 1995-2009 Dodge Ram 1500 models. The 2009 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 1995-2009 Dodge Ram 1500 Tekonsha BRAKE-EVN Proportional Brake Controller for Trailers with 1 to 4 Axles Black 8508220 (Part #8508220 70196) is designed to fit the 1995-2009 Dodge Ram 1500.
The 1995-2009 Dodge Ram 1500 Tekonsha BRAKE-EVN Proportional Brake Controller for Trailers with 1 to 4 Axles Black 8508220 (Part #8508220 70196) fits the following vehicles: 1995-2009 Dodge Ram 1500. Always verify your specific year, make, and model before ordering.
The 1995-2009 Dodge Ram 1500 Tekonsha BRAKE-EVN Proportional Brake Controller for Trailers with 1 to 4 Axles Black 8508220 (Part #8508220 70196) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The 18281-037 is a wiring adapter that connects your vehicle's electric brake control system to a trailer brake controller. It acts as an interface between the vehicle's factory brake control harness and an aftermarket or replacement brake control unit, allowing you to control trailer brakes from your vehicle.
No. The adapter is designed for vehicles equipped with an electric brake control harness connector located underneath the dash, left of the steering column, near the emergency brake pedal. The vehicle must have a 4-pin connector that matches the adapter. Check your vehicle's brake control system before purchasing.
The adapter supports a maximum of 4 axles with 8 brakes at 24 amps. Do not exceed the lower of your towing manufacturer's rating or this specification. Overloading the circuit can cause fires.
The connector is located underneath the dash and to the left of the steering column. It will be taped to another harness near the emergency brake pedal. You are looking for a 4-pin connector that matches the one on the adapter.
First, plug the brake control adapter into the mating receptacle on the backside of the brake control unit itself. Only after this connection is made, plug the adapter into the vehicle's electric brake control harness connector. This sequence prevents incorrect connections.
Yes. After connecting the adapter, you must follow all installation instructions provided by your brake control manufacturer. The adapter is only the interface; the brake control unit itself must be installed and mounted as directed by its manufacturer, and all test procedures must be completed as instructed.
The adapter fits vehicles with an electric brake control harness connector under the dash, left of the steering column, with a matching 4-pin connector. Check your vehicle's brake system before purchasing. Maximum capacity is 4 axles, 8 brakes (24 amps).
Plug the adapter into the brake control unit's receptacle first, then connect it to the vehicle's harness connector. Follow the brake control manufacturer's installation and test instructions.
Maximum 4 axles with 8 brakes at 24 amps. Do not exceed the lower of your towing manufacturer's rating or this limit. Overloading can cause fires.





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