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Today on this 2011 Chevrolet Tahoe, were going to be installing the Tekonsha P3 Brake Controller part number 90195. The first thing we need to do is find a suitable location for our mounting bracket. You'll want to make sure before you start mounting the bracket to the vehicle, that you check to make sure that there are no electrical components behind where you're going to mount it. Were clear on the back of this plastic tab and theres the metal structure here for our dash that we'll also be drilling in to. This is going to provide a secure mount for our brake controller. Next well use the small machine screws that came with our brake controller with the lock washers on them to mount the controller to the bracket.
With the brake controller mounted to the vehicle well plug in our wire lead to the back of our brake controller. This is our wire bundle that we pulled off of the harness underneath our dash. There are four wires, a white wire, a blue with white tracer, a red with black tracer and a dark blue. The dark blue we're going to connect to the blue wire on our brake controller. This is the brake feed that's going to go back out to our 7-way.
The red wire with the black tracer is our battery feed. Were going to connect that to the black wire on our brake controller. The light blue with white wire is our center high mount stop light. This is where were going to get our signal so that the brake controller knows when the driver is applying the foot brake. Were going to connect this to our red wire on the brake controller.
And finally, we have the plain white wire, this is our ground, so well connect it to the white wire on our brake controller leads. Were going to take a few zip ties and secure our factory wire bundle to our air-conditioning ductwork here. You just want to make sure that we dont cover up any of the vents. We just run our wires along the back side of the ductwork. Were going to take our factory wires here, strip back some of the shielding and crimp on the butt connectors that came with the brake controller.
Now were going to cut some of the length off of our trailer brake bundle. We want to make sure that we have enough length to make the connections and to get our wire tucked out of the way. Since our ground and our brake signal wire are so thin, what we're going to do is strip them twice as long as we normally would and then double the copper over so it will fit with our blue butt connectors. Now we can start making our connections to our brake controller lead. Well start with the ground and again, we'll connect that to our white ground wire from the factory harness. Well move on to our dark blue off the brake controller which is our brake output back to the 7-way. It's going to go to the blue wire again on our factory harness. Well do the red from our brake controller which is our brake signal switch and thats going to go to the blue with white tracer wire from our factory harness. And finally, well take the black wire off of our brake controller which is our power and well connect it to the red with black tracer wire that we got from our factory harness. Now well take a little bit of electrical tape and wrap around our connection joints to help keep them from coming loose. Now we can use one or two more zip ties to secure the rest of our wiring up and out of the way. There are just a couple more connections that we have to make underneath the hood. The first thing we need to do is remove the cover off of our power distribution block. To fully activate our 7-way, therere a couple of wires that we have to connect under the hood. The first is our brake control power wire. It starts here on the drivers side fender well. We use a razor knife and carefully cut away some of the tape so we can get the wire loose. Were going to take our brake control wire and bring it over to the large post over here. We use a 13 millimeter socket and ratchet to tighten it down. Now this wire will activate the charge line on our 7-way at the back of the vehicle. Next well pull the wire on the interior side over to the black post and well use a 10 millimeter socket and ratchet to tighten it down. Now our brake controller has power and our power lead on our 7-way also has power. Well put our cover back into place. And with that our brake controller is complete and were ready to hook up our trailer. That does it for the installation of the Tekonsha P3 Brake controller part number 90195 on our 2011 Chevrolet Tahoe.
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