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2003-2014 Toyota Brake Controller Installation

Please visit my general install page for overall instructions

I sell brake controllers and harnesses, so please, if you need one click here! We keep Prodigy P2 Brake Controllers in Stock Regularly!

"Standard" Wire colors to the controller (Tekonsha and others):
- Black, Battery Positive to controller
- White, Negative Ground for Controller
- Blue, Brake feed from controller to Trailer plug at back of truck
- Red, tap into truck Brake light switch signal to tell controller to apply brakes

Remember, the above colors are just a GUIDE. your colors may be different, read the instructions!



Many newer trucks come with a factory tow package. Below, I listed the prodigy harness number that works with many different types of Toyota vehicles.

Prodigy Harness Number Year Make/Model/Style
3040 2003-2014 4Runner, All Styles
3040 2003-2011 LandCruiser, All Styles
3040 2013-2014 LandCruiser, All Styles
3040 2003-2014 Sequoia, All Styles
3040 2007-2014 Tacoma Pickup, All Styles
3040 2003-2014 Tundra, All Styles

Installing a brake control unit isn't very difficult. This task is made even easier if your tow vehicle is a late model and comes with a 7 Way Connector as part of the towing package. Toyota/Lexus Trucks with the Tow Package will have the wire connectors in place.

In this case, installation is as simple as mounting the brake controller in a convenient, easy to reach place, usually under the dash, just above your right leg and connecting the wires from the brake control to the wiring harness and then plugging the harness into the harness located under the dash.
 
 

On Toyota trucks, with the tow package, the factory provided a plug under the dash to connect the brake controller. On the trucks I have done, it is a plug, located up in the dash, just above left kick panel, up under the dash. Its easier if you remove the kick panel and use a light to see. It may be hard to find because the factory may place the connector in a blank plastic plug to keep the dust out, so it looked like it is being used.You must have the factory plug harness to plug in (I sell these, if you need one, hint, hint)
 

Then it is just a matter of connecting the harness up to your brake controller, according to the wires functions using butt connectors, and then plug it in. Mount the controller where your want it. I prefer to have it on the right side of the steering wheel, within reach of my right hand. Just screw the bracket right into the plastic dash panel (I know, it hurts!) I do stock factory custom made harnesses that will plug the Prodigy Brake Controller directly into the Toyota:

You MAY need to install the relays for your trailer brakes. You will have to look in you owners manual to find the size and location, and any relay you may need to install. Sorry, they are all different.

 

 


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