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Wiring a 2008 Toyota Highlander Hybrid with a 7-Way Trailer Connector and Brake Controller

Question:

We have an 08 highlander hybrid. We took it in to have electric brakes wired to yow a small Popup. Warning lights went off right after wiring. Took it to Toyota to reset, they cant with the new wiring in. Taking that back out- now Toyota days it may not work to wire this hybrid for this purpose. What?!? We were told it would be fine, and just nought a 20,000 Aliner- that we cant tow...! Help?

asked by: Sue F


Expert Reply:

If the wiring that was done tied directly into the tail lights of your 2008 Toyota Highlander but did not have a converter, that may be the reason it was throwing codes. In order to install a 7-Way trailer connector on your Highlander, you will first need to install a 4-Way wiring harness, # 118449. I have included links to the installation details and a video showing a typical installation.

Next, you will need to install a 4 and 7 Way Installation Kit, # ETBC7. This provides a 7-Way trailer connector at the back of the vehicle and includes all of the wiring and circuit breakers needed to install a brake controller. I have included additional links that explain the installation of an ETBC7 kit.

For a brake controller, I recommend the Tekonsha P2, # 90885. It is one of our best selling brake controllers because it is easy to set up and easy to use. I have included a link to the installation details for reference.

expert reply by: Michael H




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Products Referenced in This Question

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector


T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

ratingratingratingratingrating
194 reviews

118449

Retail: $55.82

Price:  $45.95

Product Summary:

Trailer Hitch Wiring
Converter
Custom Fit

Product Specs:

4 Flat


more information        




Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional


Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional

ratingratingratingratingrating
631 reviews

90885

Retail: $167.24

Price:  $124.95

Product Summary:

Proportional Controller
Electric
Electric over Hydraulic
Digital Display
Vehicle Mount

Product Specs:

Automatic Leveling
2 - 8 Brakes
360 Degrees


more information        




Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires


Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires

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372 reviews

ETBC7

Retail: $85.98

Price:  $65.73

Product Summary:

Brake Controller
Accessories
2 - 8 Brakes
10 Gauge Wire

Product Specs:

Connector
Brake Controller Wiring
Wired to Brake Controller


more information        





Product Page this Question was Asked From

Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus


Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus

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280 reviews

3040-P

Price:  $14.99

Product Summary:

Brake Controller
Accessories

Product Specs:

Wiring
Brake Controller Wiring
Plugs into Brake Controller


more information        







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