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Trailer Brake Controller Installation - 2016 Ram 1500

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How to Install a Trailer Brake Controller on a 2016 Ram 1500

Today on our 2016 Ram 1500 we will be taking a look at and installing the Tekonsha Primus IQ Trailer Brake Controller for 1 to 3 axles. This will be proportional braking system. Part number TK90160. We will also be using the assistance of our Tekonsha Plug and Play Wire Adapter for Ram vehicles. Part number 3024-P. A few differences between this and our other models is going to be that this is going to be very simple and easy to use.

You're going to get your braking and minimal functions. Now the Primus is going to be super easy to use. Right now it's reading that our trailer is connected. If it's not connected, it will read N period C. Now let's go ahead and adjust the boost level. To do so, we're going to press a button on top.

Right now it's reading boost. Boost 1, Boost 2, and Boost 3. Now the difference between them is that the boost button is going to be a trailer weighs less than the vehicle towing it. Boost 1 is going to be a trailer that weighs the same amount. Boost 2 is going to be trailer that weighs 25% more.

And Boost 3 is going to be for your trailers that weigh up to 40% more than the vehicle towing them. Now to adjust the power output we're simply going to press in on the manual sweep and adjust the turn dial on the side. It will go all the way up to 12 for the voltage output. And that's going to be the proportional braking output and power output that it's putting to your trailer brakes. We can adjust that all the way down to 0 if we wish. We let out on that manual sweep.

This manual sweep is going to be for emergency purposes but it's also used to set it up. So, as we press that in, it's going to proportionally brake our trailer all the way up to 6 because that's where we set it at. We go all the way up to 12 as you see us bring it across it's going to go all the way up to 12. So now that we've gone over the features and the functions of our new Tekonsha Primus IQ, let's go ahead and check out just how easy it is to install. Now, we'll go ahead and find our factory plug and we're going to plug in our adapter to. It'll be located just in front of the accelerator pedal up underneath the dash. Go ahead and pull it down so it's a little easier access and a little bit better to see. We'll take our adapter and plug it in until it clicks in place. Now we'll go ahead and put this up underneath the back of our dash zip tied up however we're going to need it to hang so it's a little bit better concealed. Once we have that hooked up, we can then take our Tekonsha Primus IQ and attach it. Line up the adapter and plug it in until it clicks. Once it clicks in place, you'll see the display screen either read NC for not connected or C for connected like it is right now. Let's go ahead and attach it to our permanent bracket. Now keep in mind that you can attach this in multiple locations whether you want it up high or low. Just keep in mind that if you do decide to put it down low that you're going to want to be mindful of your feet and the pedal orientation. And here we have our quick connect bracket. Now again, be mindful of where you mount it. We'll slide in the back first and then push the front up until it clicks in place mounting it up. We're ready to take it out. All we're going to do is pull out on the sides, drop it down, disconnect it and we'll be ready to hit the road. We'll go ahead and take our wires in the back and use zip ties to secure them up behind the dash where they're not going to be in the way of the pedals or any moving components such as your feet or the steering column. And that'll do it for our review and installation of the Tekonsha Primus IQ Trailer Brake Controller. Part number TK90160. On our 2016 Ram 1500.



Do you have to flash any module in the truck to allow power to be applied to the brake controller?

David B.


Hey Jeff if you are going to bypass the OEM controller then yeah, it will need to be flashed. Look at the linked answer page for a little more detail.

John G.


Hi I installed the tekonsha primus brake controller in my 2016 ram with the correct pigtail. It is connected to the under dash plug in the truck. There are no lights or letters on the display. I don’t have the trailer hooked because I didn’t want to pick from the dealer if the brake controller is not working. Any thoughts on how power is sent from the truck to the controller. I have tried moving all the controls on the unit and with the truck key on engine running. The fuses in the power distribution box dealing with trailer brake controls seem good. There is a 7 point connector in the rear bumper that appears to be hooked up.

Les D.


Your pigtail will have four wires. Black = power coming from the vehicle battery, White = grounds to vehicle chassis, Red = comes from the brake pedal switch, Blue = voltage going out to rear wiring harness to operate the trailers electric brakes. First I would review the fuse locations in your owner's manual. There may be some that are missing or burned out. Next I would measure the voltage on the black wire. It should be near 12 volts. Also measure the voltage on the blue wire with the brake pedal depressed. Finally, during these procedures, if you have a tow/haul setting this should be on.

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