Installation Kit for Trailer Brake Controller to use the Prodigy P2 Brake Controller  

Yes, the steps Jon listed in the answer page you referenced would still be applicable to your 2024 Subaru Outback Onyx XT. You'll first need to install the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #C56040 to get…

Thanks for passing that on! I attached the install video for the #C56040 on the 23 Outback you mentioned as well.

When hardwiring a brake controller to a vehicle and tapping into the stoplight circuit for the red wire of the brake controller you would not have to worry about this step damaging anything. This circuit is only used as a signal wire and doesn't…

Sorry to hear about the troubles you're having with the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation #ETBC7L on your 2022 Subaru Outack Wagon. Apart from checking for blown fuses, the only other thing you'll want to verify…

For your 2020 Subaru Outback Wagon XT the Tekonsha T-One Vehicle Wiring Harness #118467 will work perfectly. This custom harness is going to plug right into existing ports in the rear cargo area and you will not have to run a separate hot lead to the…

I'd try disconnecting the wiring and first see if that causes the light to turn off. It's possible it's not related, but if it is that would indicate it's most likely due to the connection of the red wire of your brake controller to…

Though it can be a little confusing, a lot of the 7 Way plugs that piggyback off a 4 Flat do use a yellow wire instead of purple for the reverse light/auxiliary port. The 7 Way included in the Universal Installation Kit for Trailer Brake Controller…

The 12V power pin on a vehicle 7-Way originates from the vehicle battery. What it runs through and how it gets to the back of the vehicle can vary depending on what the vehicle is equipped with. Some vehicles will run it through their computer system…

I understand your concern about the back of the 7-way connector of the part #ETBC7 but we have sold an incredible amount of these and in my 7 years here I have yet to hear of anyone with an issue related to the back of the 7-way connector. So I agree…

The wiring that comes with the 7-Way RV Upgrade Kit #ETBC7L is only meant to carry the 12V power for 1 function. Since you're wanting 12V power from your vehicle battery to go to 2 functions you need the Universal Installation Kit #ETBC7 instead.…

Unfortunately, you will have to run a second power line for the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires, part #ETBC7L, if you need the 12V accessory power for your trailer. The circuitry of each connector is…

You'd need to mount the 7-way of the #ETBC7 to the bottom of the rear bumper fascia since there isn't a spot on the hitch designed for that.