Trailer Brake Controller Installation - 2010 Jeep Commander

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How to Install a Trailer Brake Controller on a 2010 Jeep Commander


Today on our 2010 Jeep Commander we're going to be installing the Tekonsha Prodigy P2 brake controller, part number 90885. Now in order to install this brake controller we're also going to be installing the Draw Tite wiring kit, part number 5505. Now with our trailer plugged into our 7-way connector, you'll see that there's a C on the screen showing it is connected. Here's out manual override switch. We have our power adjustment knob is over here on the left side. The button over here on the top right side is the boost feature.

What the boost feature is is how aggressive the brakes will be applied to the trailer. Now to start with we're going to be working here underneath the driver's side dash. We're going to need to remove a plastic cover that covers up much of the area underneath there. In order to do that we'll need to remove two screws. With our two screws removed we can go ahead and pull the panel down. Now this right here, this green wire, is what runs from the rear of the vehicles 7-way and this is what goes back to the trailer electric brake signal. We'll need to undo this wire here from the funnel, pull it down.

We'll be connecting this green wire here with the blue wire on our brake controller harness. Now there's a total of four wires here on our brake controller harness. The red wire will go up to the brake light switch signal. The black wire will go out to a 20 amp fuse that we'll mount inside the engine compartment. The white wire will connect to the negative side of the battery. Now we're going to need to take some of the duplex wire that comes with the 5505 kit and route some of that duplex wire right here through this grommet. Now we're going to need to put a slit or a hole in that rubber grommet in order to pull our gray duplex wire into the engine compartment. Now once we have our slit in our rubber grommet there we'll go ahead and feed our duplex wire in from the engine compartment into the passenger compartment.

Go ahead and pull a little bit in. Now we're going to go ahead and take our test light and we'll determine which wire we'll be tying our brake light signal into. Now it is the white wire with the light green stripe. With our test light on, go ahead and push our brake pedal. As you can see here it only has power or lights up when the brake pedal is pressed in. This is the wire that we'll be tying the red wire in from the brake controller wiring harness. We'll be using a quick splice connector to make this connection.

Next we'll go ahead and put a little bit of electrical tape around our connection. Next we're going to need to go ahead and peel back the gray coating on our duplex wire. To do that we'll just take our razor knife and split the coating back. Then go ahead and take our wire strippers, strip back a little bit of both the white and the black wire. Going to add a butt connector to both and then go ahead and take the white wire from our harness we'll be connecting it with the white wire from the duplex wire. Go ahead and put that one into the butt connector, crimp it down. Go ahead and connect the black wire to the black wire. Then go ahead and connect our blue wire to the green wire. We can then go ahead and add some electrical tape to the three connections we just made. While we're here we're going to go ahead and tape up about six, eight inches of the wiring harness here. Just to clean up the look when it's actually plugged into our brake controller. Next we're going to need to mount the pocket that holds the brake controller. We can put it here on the lower part of the dash. We're going to use the two screws that come with the kit. We're going to go ahead and take our wiring harness and feed it up through the pocket. We're going to attach it to the backside of our brake controller making sure that this little tab here and the locking tab on the wiring harness made up. You hear it click so you know it's engaged. We'll go ahead, once our connections made, we'll slide it back down into the pocket. It goes into the two little locking tabs, one on each side. We'll then take a couple of zip ties and secure up any access wiring up underneath the dash. Next we'll go ahead and re-install our plastic piece here underneath the dash. Next we're going to go ahead here in the engine compartment we're going to mount our circuit breaker. We're going to be mounting our 20 amp circuit breaker. We'll be using some self-tapping screws to attach it to the vehicle. Next we're going to go ahead and cut our duplex wire off. We're going to take our duplex wire and we're going to route it up here to the circuit breaker, to the negative side of the battery. You want to make sure that you don't cut it too short that you can't reach the negative side of the battery. We'll next need to take our razor knife and trim back the gray covering. We're then going to need to strip some wire back here on our white wire. We'll be adding a ring terminal in. Now we're going to go ahead and put our ring terminal here, right here we're going to loosen this nut up, slide it in behind it and to make things a little easier we'll go ahead and trim out the center section of the ring terminal. Next we'll go ahead and trim the black wire back a little bit. We'll need to strip a little wire back where we'll add a small ring terminal that will connect to our circuit breaker. We'll be connecting the black line coming from inside the cab of the vehicle to the silver or the chrome side of the circuit breaker. Next we're going to need to go ahead and peel back the gray coating on our duplex wire enough that we can pull the black wire out. We'll then be adding another small ring terminal to one end. We'll then connect it to the brass side of our circuit breaker. We'll then add a larger ring terminal where we'll connect it to the positive side of the battery. We're going to go ahead and just take a pair of tin snips, we need to trim out just a little bit of this plastic cover to allow it to snap back down into place. That'll do it for our installation of the Tekonsha Prodigy P2 trailer brake controller, part number 90885 on our 2010 Jeep Commander. .


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