Preventing Pre-Collision Warning of 2018 Toyota Highlander After Brake Controller Install  

Yes it is. You'll need the #7865 pigtail that has the diode in the brake stop lamp switch circuit to prevent the controller from feeding back into the vehicle wiring. To install the Tekonsha P3 #90195 on your 2018 Highlander, you'll…

I am happy to help you determine if your 2018 Toyota Highlander has a tow package or not. The easiest way is to visually inspect your vehicle on your own. If you take a look at the video for part #118449 that I attached on a 2018 Toyota Highlander…

On your 2017 Toyota Highlander, you are experiencing feedback from your brake controller onto that stop light switch which is causing the error messages you mentioned. You will want to install a diode on the red wire leading to the brake controller…

The newest Toyota Highlander we've installed a brake controller in is a 2014 model. I attached the install video to this page to show you the processs. The 2014 and 2018 Highlanders are the same generation though so what you see in the install…

For some reason Toyota isn't very forthcoming with how to figure out if you have the tow package or not. From my understanding all of the V6 models of the 2019 Toyota Highlander have the tow package but it isn't specified as to what else…

Yes, you can use the Roadmaster Single Park Light Diode #RM-690 with a Hopkins Reliance brake controller on your 2018 Toyota Highlander. The issue is the backfeeding with the Pre-Collision System (PCS) so you want to install this diode to the wire…

I am not sure which video you are referring to but if you take a look at the 10:45 mark in the attached install video on a 2013 Toyota Highlander, you will see exactly where the bundle of wires are that you will need to tap into for the brake light…

You'll need to choose a brake controller and the #ETBC7 brake controller installation kit. The install kit includes an adapter to convert the 4 pole you recently installed to a 7-way. I'd recommend a proportional controller like the Tekonsha…

The issue is the wire you ran the red wire of the P3 part #90195 to. We've heard from Tekonsha that a 1 amp diode needs to install on this circuit to prevent the controller from backfeeding onto the vehicle wiring. Or you can use the part #RM-690…

In order to prevent the ABS error on a 2018 Toyota Highlander when hooking up a trailer brake controller to the stop light switch circuit you need the Pigtail Wiring Harness with Diode for Tekonsha and Draw-Tite Brake Controllers part #7865 which has…

The stop light switch circuit on a 2019 Toyota Highlander which will be needed to install a brake controller like the Tekonsha Prodigy P3 Trailer Brake Controller part #90195 can be found by testing the bundle of wires attached to the brake pedal.…

The Pigtail Wiring Harness with Diode for Tekonsha and Draw-Tite Brake Controllers part #7865 is required for a 2019 Toyota Highlander no matter which trailer connector or brake controller you're using as the diode is on the stop light switch…