Troubleshooting Redarc Tow-Pro Elite Brake Controller Not Recognizing Trailer On 2019 Toyota 4Runner

Question

Question:

Hi, ive installed a tow pro elite on my 2019 4 runner. I used the factory pigtail supplied by Toyota. the red arc controller has 4 wires and the Toyota plug had five. I omitted the green with silver band wire from the hook up as I read it wasnt required, when I hook the trailer up the control knob only blinks a slow blue light then fades. I believe this indicates that the trailer is not recognized. Also I should mention that the hitch is not a typical ball hitch but an articulating type by Maxcouplar. The trailer running lights work, the brake lites and signals work but the brakes do not? Can you help?

asked by: Jeff G

0

Expert Reply:

This is a common problem that I have seen when using the factory connector on your 2019 Toyota 4Runner. The ground wire for the brake controller is not capable of supporting the negative power from the Redarc Tow-Pro Elite # RED44FR.

Redarc has their Plug-and-Play Wiring Harness # RED49FR that includes an additional ground wire that needs to be connected to a good ground source on your 4Runner. You can try splicing in an additional ground wire on your current universal harness to get the ground terminal working properly.

If that still does not solve your problem you will need to check your 7-way connection for continuity with the brake controller. There may be a bad connection in the harness that is not allowing power through the wire to the trailer.

expert reply by: Bud M

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Answer 1

I recommend going with the Redarc Tow-Pro Elite #RED44FR for towing with your 2022 Toyota Tacoma for a few reasons; not only does it have a totally customized install when you pick up the Adapter #RED99FR and Mounting Panel #331-TPSI-002, but it also…

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Answer 2

The easiest way to determine what could be causing the issue with your Redarc Tow-Pro Liberty Brake Controller #RED24FR, installed in your 2022 Toyota 4Runner using the Plug-and-Play Wiring Harness #RED49FR is to check the fault code chart in the…

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Answer 3

According to the troubleshooting section of the instructions the controller is telling you that the black power wire is not getting the 12 volts of power from the vehicle. This happens if the in line fuse or circuit breaker goes bad. Double check…

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Answer 4

The lock code could be located on the key itself, on the face of the lock core, or one a sticker attached to the lock (see photos). Once you find this you can then order the correct replacement key assuming you have a Global Link, Fastec (FIC),…

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Answer 5

With the Redarc Tow-Pro Elite Trailer Brake Controller #RED44FR in the proportional mode the light on the controller will not always light a full red light depending on what sensitivity the controller is set. The inertia sensor is looking at the…

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Answer 6

In addition to the #RED44FR Redarc Tow Pro Elite, you'll also need the #RED49FR vehicle specific wiring adapter. The factory connector is located above and to the left of the emergency brake pedal as shown in the provided photo. I've linked…

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Answer 7

The 2019 Toyota 4Runner comes with a factory installed trailer hitch receiver and wiring. There is no information in the owners manual considering weight distribution system use but it does state to distribute the tongue weight as you can see in the…

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Answer 8

For the Redarc Tow-Pro Elite Trailer Brake Controller #RED44FR is an easy installation with the Tekonsha Wiring Harness #3041-P. You will just use the white connector of the harness along with the wire length and cut off the other end of the…

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Answer 9

The reason that the Redarc Tow-Pro Elite Trailer Brake Controller #RED44FR is not good for the manual override is that when you drive with the controller in proportional braking mode and push the manual override it only allows the trailer brakes to…

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Answer 10

The top of the line weight distribution system to tow your T@B with a 2015 Toyota 4Runner is the Equal-i-zer, part #EQ37060ET. It's rated from 200 to 600 pounds of tongue weight and you want your total tongue weight to fall right within this…

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Answer 11

Your 2016 Toyota 4Runner comes from the factory with a 2" hitch installed which means that this etrailer Hitch Receiver Lock #e98882 should fit. Now I say 'should' because we have noticed with Toyota vehicles that sometimes they come…

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Answer 12

The Redarc Tow-Pro Elite Brake Controller #RED44FR definitely works with your 2016 Toyota 4Runner. Sometimes our guide can get confusing. This is likely showing not a fit because you're looking at the product page without the plug and play wiring…

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Troubleshooting Redarc Tow-Pro Elite Brake Controller Not Recognizing Trailer On 2019 Toyota 4Runner

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