Trailer Brake Controller Installation - 2015 Chevrolet Colorado

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How to Install a Trailer Brake Controller on a 2015 Chevrolet Colorado


Today on our 2015 Chevrolet Colorado we'll be taking a look at and installing the Tekonsha Prodigy P3 Trailer Brake Controller for 1 to 4 axles. This is the proportional braking system, and it's going to be part number 90195. We'll go ahead and plug our trailer into our 7-way connector. With our trailer plugged in you can see that it's not reading out anything. You can use that manual switch here on the bottom and that's going to apply brake to our trailer. You can adjust these. If you want to set your power level you just go over here to the up and down arrow, and you can go down or up as you choose.

Then go over here and you can select okay. Then that's what it's going to put towards your trailer every time. Press the brake on the truck, and you can see it's only reading out 2, 1 but it's going to have a maximum of 14. That's because it's proportional braking. Then go over here and you can select a boost. Boost level off or the smallest setting here is trailer that weighs less than your vehicle.

If you go to boost 1, it's a trailer that weighs approximately the same as your vehicle. Boost level 2 is a trailer that weighs up to 25% more than your vehicle. Finally boost level 3 which is for trailers that weigh up to 40% more than your vehicle. Do not exceed the gross combined weight rating of your vehicle. First thing we're going to need to do is open up our driver's side door and locate the wire harness or the free wires that we're going to be splicing into. These are located behind the threshold here and kick panel on the driver's side.

We use a trim panel removal tool or a flat blade screwdriver. Go ahead and pop it up and you can see those wires sitting right here. Insert your keys into the ignition and turn to the accessory position. Once you've done so, we'll ground off. With our ground attached we can test out our wires. The big thick wire here is most likely going to be our power wire.

Let's check it out. We have a constant signal so we know that's our power. The black one here is our ground, should be our trailer connection here, so this one is most like our brake. When we press the brake, we're getting power to it, so we know that's our brake signal. That's the white wire with the blue stripe on it. What we're going to do is cut back our tape a little bit and try and get our wires up a little bit further so we can locate our brake controller on the right hand side of the dash, just to the right of the steering wheel. We're going to try and get it to where our wires can run across and we can attach it right here on the driver's side. Something else that we're going to do real quick is remove the two 7mm screws right here, that way we can tuck our wires up between back behind the dash. That way they're not going to be hanging down below. We can strip these back and make our connection to our Tekonsha Prodigy P3. Place on our butt connector, brake signal switch, connect our blue wire, should be our trailer connection here. We'll do our ground wire next, it's that black wire, to the white wire. Now all that's left is the power. Attach that to the black wire or power wire coming off our brake controller. Tape off our wires just using some electrical tape to make sure that we maintain that connection and that they aren't going to get any dirt or debris or anything else in the wires. Tuck our wires up back behind the dash where we removed those screws at earlier. We'll have just enough to run our wires over here to the driver's side to run up our controller. Put back in our 7mm fasteners. We'll take a zip tie and secure off our harness away from the OBD2 reader. With that in place, snip off the excess tie and put our threshold back in place. Press it down and you can see all those wires will not be visible from the outside. Now we're going to assemble our bracket to put in place. We'll slide it in and attach it. This will be our quick release bracket. There is also another bracket in here that's your permanent mount bracket that you would mount up. Then mount your screws straight into the side of the controller. This one allows you to pop open the tabs on either side and remove it from the vehicle if you don't want it in. The only thing we'll need to secure up is the little bracket here that will mount up to the top. This will give you a lot of adjustments either way, however you'd like to have it. We've got a good location where we're going to mount up our controller. You just need to keep in mind that you have fasten hardware on the side so you want to make sure that you are able to get your tools in. We'll hold it in place, pull it down, take our paint pen and mark the location. I'll use our quarter inch drive ratchet and screw in our bracket. Then attach our brake controller. That will do it for the review and installation of the Tekonsha Prodigy P3 Trailer Brake Control System, part number 90195 on our 2015 Chevrolet Colorado.


Questions and Comments about this Video

Dave H.

Thank you for posting this video...it was a huge help for me locating the wires for installing my brake controller on my 2016 Chevy Colorado...

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