Tekonsha Brake Controller and Wiring Replacement Installation on a 2003 Ford F250
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Brake Controller Installation on a 2003 Ford F250
Before we begin our install we need to take down this access panel here to get to the port that's located behind the panel towards the center. We'll point that out to you. Inside this cavity here you can see all the wire harnesses and what not, behind this harness is a gray port. That's the port for the tow package we need to use. We'll run it from the inside here out behind this steel here and come back around to the outside. Since this is tight quarters you can take a screw driver and force this up a bit so it's facing towards you and it's easier to install. Next we're going to mount our bracket, we're going to use a standard one like so. This vehicle had a brake controller before, so we use the existing holes. The hardware that came with this is a little small so we're going to replace it with some number nine screws to take up the holes in the dash already.
Now we'll take our brake controller and plug it into our harness and you can see why this part makes life easier. We'll take the existing hardware that comes with the controller and mount it to our bracket. Next we zip tie our wiring into place and out of the way. We're going to pull this up into the dash and zip tie it to this bracket here. At this point we can put our panel up and test the controller for functions. Looking at the brake controller now, we have two dots so we can see we have power already. This dot tells us it's going into the brake controller, and this dot tells us the boost button has been activated. We can actually take it off boost and have that dot go away. Now we'll check our manual override. We have nothing hooked up to it so we should get a “nc” signal. Now we'll hook up our tester to replicate a trailer and try it again. Now that we have our tester hooked up you can see we have a “c” which means it's connected. Now we'll try our manual override, while we're at it we'll test our gain knob here. Now we'll try our foot brake, you might get a temporary signal and you have nothing going out right now. Now we have something which it's picking up a little movement from rocking the truck. Now we'll try our boost functions, b-1 and b-2. It looks like all of our functions work. That covers it for our install of our Tekonsha products starting with the prodigy brake controller part # 39519 and the Tekonsha wire harness part # 3035-P.
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Install Brake controller - Chevrolet / GMC 1999-2006 Pickups
