Thank you for your purchase of the T-One Vehicle Wiring Harness # TK99VR for your 2022 Ford Bronco!
To start off troubleshooting we'll want to make sure you have the correct harness. The part # TK99VR you have is if your Bronco has LED taillights. If you don't have the LED taillights then you need the T-One # TK33VR instead. It looks like the non-LED setup has the brake function tied in with the turn functions but if you have the LED setup then the brake function has it's own circuit.... view full answer...
Demco does have it listed that in Ford 2015+ vehicles that it's best to install the vacuum connection directly to the sensor port of the brake booster using part # DM6257. Most likely the issue you're facing is just caused by your connection to vacuum line.
You can test the vacuum line for a leak by starting the engine and switching it off after 10 seconds. After 10 minutes of standstill, depress and release the brake pedal several times. With each new press, the pedal should be firmer.... view full answer...
Depending on the lighting for the Bronco your brake light relay wire might not be useable. Models without the signature LED lighting will have a purple wire for the brake light, while models with the signature LED lighting will not have an accessible wire and instead would need a stop light switch kit in order to get the signal.
If you have an automatic transmission then you'll need the Roadmaster Stop Light Switch Kit # RM68MR. If you have a manual transmission then you'll need the Roadmaster... view full answer...
It sounds like something is wrong with the Curt T-Connector # C42WR you've installed on your 2022 Ford Bronco.
To start off checking you'll want to look at the 12V power connection and the ground connection. Make sure there is power getting from the battery to the convert box and that your ground is securely connected to a clean, bare-metal surface. Also make sure the wiring is in good shape without any bends or exposed wiring.
If all of that looks good then the next step is to test the... view full answer...
Since the trailer is working with other vehicles it does sound like the T-One # TK99VR wiring is the issue on your 2021 Ford Bronco.
If you use a circuit tester on the 4-Way you can double check and make sure that the 4-Way is working correctly. I would try the connector as well as the wiring before and after the module to ensure that your Bronco is sending the correct signals through.
If your Bronco is sending everything correctly (like it should be) then I would think that the wiring... view full answer...
A 2023 Ford Bronco would only need to use smart diodes if it has variable voltage tail lights. Variable voltage tail lights use the same wire for the brake signal and running lights instead of the standard turn/brake wire setup. To determine if you have variable voltage tail lights you'll need to pull the tail light out to get to the wiring and test wires with a probe tester # PTW2993 in order to see if the same wire powers both the running lights and brakes.
If you do have variable voltage... view full answer...
It looks like the center of the tire has worn faster than the outer edges which is a tell tale sign that it has been overinflated or it is a different load range than the rest. If the leaf spring was worn more so for that particular side of the axle then this could be an issue as well but I would be willing to bet it was overinflated.
If you can let me know what size tires are on your trailer I would be happy to make some recommendations but if not I have attached a list of our options... view full answer...
It sounds like there is either an issue with the powered converter or the brake wire which attaches to your 2022 Ford Bronco. You can use a Test Light # PTW2993 to test for power on the red wire of either the Tekonsha # TK99VR or Curt # C42WR when you press the brakes on your Bronco. If you have power on the red wire going into the converter and nothing coming out for the brake lights then you know the converter is defective. If you find there is no power on the red wire connecting to the... view full answer...
If you installed the Curt 58996 and everything worked until you installed the Roadmaster InvisiBrake Supplemental Braking System # RM-8700 then you most likely have an issue with the wiring. You can trace the running light wire from the RV end connector of the wire harness with a tester # PTW2993 and work your way towards the tail lights on the Bronco to see where the signal is being lost and fix the connection.
The controller for the Invisibrake # RM-8700 would splice into the Curt wire... view full answer...
So if I understand correctly, the 1991 Ford Bronco you have has a 4-Way flat trailer connector. It used to have a 7-Way and you are trying to use the wires from the 7-Way to connect to the 4-Way connector. In order to find the correct wire for the running lights, use a circuit tester, like # PTW2993. Have someone sit in the vehicle and operate the lights while you test the wires. The one that carries a constant signal when the lights are on is the running light circuit.
On a 4-Way, the... view full answer...
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