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Custom Fit Brake Controllers
Today we are going to install part number 90185 from Tekonsha, the Prodigy Brake Controller, and we are going to install this on a 2009 Chevrolet Silverado. The tow package wiring harness is located underneath the dash, below the steering column, a little bit off to the left side. It is stuck up behind some wires up underneath there so it is kind of hidden, but there is a little tag that comes with it to help you locate it. So we will just untape it from that bundle right here and pull it out, and then we will have room to work on it and make our wire connections. OK, we have got our wires pulled out, and we can go ahead and get them ready to install. And you want to take a second to look at the tag to see which wire does what. Blue is kind of a giveaway, that is the big wire that goes out to the brakes on your trailer. And then red is going to be your 12-volt battery supply right here. And the blue with the white tracer here, that is going to be your brake light circuit. And the white wire will be ground, and the orange wire will not be used at all.
OK, at this point we can go ahead and start making our wiring connections. And the red with the black stripe is going to be the 12-volt power supply. The 12 volts will be black on your harness, so you put those together. And ground is going to be white here, so connect that with the white wire on our tow package. And brake output is going to be blue, so it is going to be blue-to-blue. And the stoplight switch is going to be red, and that goes to the blue with the white stripe on the truck. OK, and we will just take some tape and tape up all our connections and make it look nice and neat. Let us find a spot for our brake controller bracket. There is a nice little flat spot underneath the dash here, so you do not have to put any screws in this part of your dashboard. We can just line it up with the edge right there and just put it against this piece of plastic and that should work out fine for keeping the brake controller in a straight alignment with the rest of the truck. OK, we can go ahead and mount our brake controller up now. Then we will take our cable and plug it into the back of the brake controller. Then we will take our wire bundle and just tape it up underneath the dash to keep it safe and out of the way.
What we have to do next is hook up our wires to the power distribution box. Sometimes it is hooked up, sometimes it is not. But in this case it is not. So what we are going to do is find our wires. The wire for the brake control power is this wire right here. And then the other wire for the 12-volt power supply out back is located down there. You can see here that the two terminals have two different sizes, and they actually go to matching lugs on the power distribution box. You can also go to the auto parts store and get a couple of extra nuts that fit these here too, since the nuts that hold them down are not supplied. Then we will add a 40-amp fuse for the 12-volt power supply going out back to the connector. Then we can put our lid back on and we are ready to go. Once you have your trailer hooked up, you should see a letter C as indicated here. It means you have a connection. And there you have it for part number 90185 from Tekonsha.
Questions About Part 90185
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