Trailer Brake Controller Installation - 2009 Dodge Ram 1500

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How to Install a Trailer Brake Controller on a 2009 Dodge Ram 1500


Today we are going to install the Tekonsha Primus IQ brake controller on a 2009 Dodge Ram 1500. We will also be using the Tekonsha wire harness, part number 3020-P. The Primus IQ is a proportional style brake controller. It sense how hard or how softly you are braking in the vehicle and sends the proper voltage to the trailer brakes so the whole braking action is smooth and even. It features a digital LED display and also has three levels of boosts to increase or decrease the trailer braking power as needed. It can be mounted between 0 degrees and 70 degrees nose up. And it is covered by a limited lifetime warranty. In the packaging for the brake controller, you will find the brake controller itself, as well as a fixed black plastic mounting bracket and a black metal bracket that we will not be using. You will also find a packet of screws for attaching the bracket to the vehicle and the controller to the bracket, as well as a generic harness with loose wire ends. But since we have our custom fit harness today, we will not be using that wiring. Let us head to the vehicle. 1:13

Instead of drilling new holes into the dash, we are going to use the factory mounting location that secures the dash panel to the rest of the vehicle. So we are just going to reuse this connection point to mount our bracket. We are going to take our bracket and drill a central mounting hole since we are going to be using one anchor point. There is already a hole preformed and we are just going to drill through that. OK, with our hole drilled, we are ready to mount the bracket in the vehicle. OK, we will fit our screw throughout bracket and attach the bracket to our factory mounting location. Next we need to locate the factory brake controller port. Up above the emergency brake pedal is a series of block connectors. We are going to be using the blue connector up top for our brake controller harness. We will take the white end of our brake controller harness and plug it into the blue connector. Now that we have our harness snapped into the brake controller port, what we are going to do is bundle up our excess and zip-tie it out of the way. Take another zip-tie and come up to this factory wire bundle. 2:45

Now, we are ready to hook our brake controller to the black end of our wiring harness. It is flashing NC which means no trailer connected. Next all we have to do is snap the brake controller into place on our bracket. There are three notches on the side of the brake controller housing that you can use to adjust the angle of the brake controller. We are just going to snap it in at the lowest setting so it is nice and flat and easy for our driver to use. And that does it for the Tekonsha Primus IQ brake controller, part number TK90160, that we installed using the Tekonsha wire harness, part number 3020-P.


Questions and Comments about this Video

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Kurt Steinhurst 10/11/2012

I am trying to get this same configuration to work on my 2008 Dodge Ram and it will not. It seems that the 2008 tow package has the blue wire not connected to the harness per Dodges schematics. Anyway, The blue wire is neatly coiled and taped under the dash. I checked it with a Fluke and know it is the brake wire I need at the back of the truck, I just dont know how to get it into the controller using the 3020-P harness since there are already 4 wires going in.Thanks in advance! 249

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Patrick B 10/11/2012

We have heard of on other instance on a Dodge truck. What we recommended doing last time is installing the controller like normal with the harness. Use the manual override on the controller and check your blue wire under the dash and the brake pin on the 7-Way at the rear. If the blue wire goes hot with the override activated and the pin at the rear on the 7-way does not, then that wire needs to be run to the rear of the truck and connected to the 7-Way. If neither goes hot, and you have tested and for sure know that the loose blue wire terminates at the brake pin on the 7-Way, then you can sever the blue wire on the 3020-P harness and splice it on the blue wire you found on the dash. 88




Chatah 12/31/2013

After installation, is there a setup procedure? 2495

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Patrick B 01/03/2014

There is a setup procedure, and it is outlined in the instructions. We just do not typically get to cover it in our videos because we do not have the customers trailer, just the tow vehicle, when we perform our installations. 1806




Info for these parts were:

Test Fit:
Joe V
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Zack K
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Andrew K
Installed by:
Jeff D
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Joshua S
Test Fit:
Nicholas E
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Jacob T
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Andrew L
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Kathleen M
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Mike H
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Dustin K
Installed by:
Cole B
Test Fit:
Shane T
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Alan C
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Sue W
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Randy B
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Chris R
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Jared G
Video by:
Zach D
Test Fit:
Andrew S
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Brent H
Test Fit:
Shane H
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Jonathan Y
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Robert C
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David F
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Ryan G

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