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Trailer Brake Controller Installation - 2006 Subaru Outback Wagon

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How to Install a Trailer Brake Controller on a 2006 Subaru Outback Wagon

Today on this 2006 Subaru Outback Wagon were going to install part number 90195 from Tekonsha. Also to install this brake controller were going to use the install kit, part number ETBC7. Were going to start off our assembly by getting the ETBC7 kit ready. Well start off by hooking up our gray cable to our seven and four pole adapter. Well wrap up our seven pole adapter wires with electric tape leaving out the four pole. The blue wire which is our brake wire and a black wire which is a 12 volt power supply.

Well continue wrapping up the purple and white wires. The white wire will be our ground wire and the purple wire is the reverse lead, if it is needed. Well then tale our gray cable and peel back the sheath and itll be a black and white wire inside. Well strip back the wires to make our connections. The white wire will connect to the blue wire and the black wire will connect to the other black wire.

Well cover those up with electric tape and finally well install the loom along the wires like this. Now were also going to need another part to connect our seven pole bracket to the hitch. Thatll be part number 18136 from Tow Ready. Connect this to the hitch. With our brackets in place well go ahead and add our seven and four pole adapter.

Well bolt it in place and then well go ahead and connect the two four pole ends together. Well go ahead and add some dielectric grease that will help protect the contacts and then tape it together and use a zip tie to make a permanent connection out of it. Then well continue on running our gray cable up to the front of the vehicle and when we do that we want to make sure to stay away from anything thats moving like the shifting components or anything hot like the exhaust. Well also take our white wire with the ring terminal and ground that to the body. When we ground it well be using number 14 self-tapping screws.

With our gray wire ran well go ahead and take some time out to secure it with some zip ties. Well go ahead and pull our gray wire up through the engine compartment and well route it towards the battery. Make sure we stay away from anything moving like the steering components. Well route it up and along the fender well and over to our battery and then cut off our access length. Then well take this cable and strip it back as far as we can removing the gray sheath. Our black wire will run up to the battery and then our white wire will eventually be ran to the inside of the vehicle to the brake control. Next well go ahead and mount our circuit breakers. Were going to mount a 40 amp circuit breaker for our black wire to go with our 12 volt power supply out back and well add a 20 amp circuit breaker that eventually well use for our brake controller. Then we connect our black wire to the 40 amp circuit breaker well use two small ring terminals. On the other end of our wire that continues onto the battery well get a larger ring terminal. Now well leave that connection for last. Now one thing to note when you run to the circuit breakers is that the post with the copper will go to the battery and the silver post will go out to the accessory such as 12 volt hot lead or the break controller. Now well go ahead and take our white wire and run it to the inside. Theres a grommet located right here. Well take a knife, make a slit in it and then poke our wire through it. Also well take our leftover gray cable and run it through there as well. Our wires ran to the inside and routed back to the battery we can go ahead and start working on our gray cable. Now well pull the sheath back on that one as well. The black wire will go through the 20 amp circuit breaker and onto the positive side of the battery and the other end will go to the break controller. Now our white wire well run straight through to ground on the battery and on to the negative post. Well finish off the ends, but we wont connect those to the battery yet. Well take a few moments to zip tie the wires and secure them. Then well go inside the vehicle and remove the interior trim panel below the dash so we can get access to our wires. Underneath the dash well go ahead and start connecting our wires. Well start off with the plain white wire that will hook up to blue on our brake controller wire. Then the two wires in the gray sheath will match up color for color, black to black, white to white. Well cover those up with electric tape. Now our red wire needs to be connected to the cold side of our brake switch. To make things a little easier to see and get to were going to remove the trim panel thats below the steering wheel. Theres a screw thats on the far right hand side will be removed and then we can pop it loose from the dashboard. Now I can see our brake switch and well go ahead and test the wires. Looks like brown with white strip is our brake signal. Well make our connection using a quick splice connector. Then well go ahead and zip tie our wires and safely out of the way. Then well reinstall the interior panels. While were reinstalling the panels well make sure that the wire harness for our brake controller is routed to the outside. Our bracket for our brake controller is in two pieces. Theres a small bracket thatll attach to the dash using some cheap metal screws and then well add our second part. Two machine thread holes well thread in, making sure it threads into the plastic and thatll hold everything together. Now well take our brake controller snap it into the wire harness. Then take the brake controller and install it into the bracket. Were done with the interior lets go back underneath the hood and make our final connections to the battery. Our two black wires will go to the positive side of the terminal and our white wire will go to the negative side of the terminal. To attach to the negative post were going to use an extra nut to go into the threads and thatll be a six millimeter by 1.0 thread pitch. With all our connections ready well take a look at the brake controller and it looks like it shows power and no trailer. Now well go ahead and hook up our trailer and you can see it turns colors and now well go ahead and apply power and the number shows up so that means weve got a good connection to our trailer. Thatll finish it for our install of part number 90195 from Tekonsha, on our 2006 Subaru Outback Wagon.

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