Installing a Trailer Brake Controller on a 2014 Toyota Tacoma

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Question:

do all tacomas come with this plug pre-wired or just the 6 cylinder trucks, i have a 2014 tacoma with 4 cylinder no factory tow setup would like to hook up a electric brake controller to use the 7 pin plug. tow hitch installed with a 7 pin and 4 blade wire harness already installed but would like to add the electric brakes for future use

asked by: Steven S

0

Expert Reply:

If your 2014 Toyota Tacoma came with a factory installed 7-Way trailer connector then the plug-in for a brake controller should be there. Harness # 3040-P is the correct one for your truck and a Tekonsha brake controller. I recommend the P2 # 90885 because it is easy to set up and use and it is reliable.

I have linked a video to the right that shows where the controller plugs in. This adapter plugs into the 5-pin connector on your vehicle's built-in brake control wiring harness. The harness is located underneath the dash, to the left of the steering column, taped to another harness near the emergency brake pedal.

If the 7-Way is not factory installed then you will need to hardwire in a brake controller using installation kit # 5506.

The kit comes with some wire. You will need to attach one end to the blue brake controller wire and then route the other end to the back of the 7-Way and attach it to the pin in the 7 oclock position. The white and black brake controller wires will have to go through the firewall.

White is the ground and needs to be attached to the negative battery terminal. Black is 12 volt power in and will go first to the AUX post of the included circuit breaker that comes with # 5506, then attach a length of wire from the BAT post on the circuit breaker to the positive battery terminal.

That just leaves the red brake controller wire. You will need a circuit tester such as # 40376. Test the brake switch wires located above the brake pedal until you find the one that only has power with the brake pedal pressed. If it shows power with the headlights or turn signals on it is not the correct wire.

I have included some links to the right that will help with a hardwire installation.

expert reply by: Michael H

0

Answer 1

Did your 2014 Toyota Tacoma come with a factory installed 7-Way trailer connector? If so the factory brake controller connector should be located underneath the dash, to the left of the steering column, taped to another harness near the emergency…

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Answer 2

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Answer 3

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Answer 4

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Answer 5

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Answer 6

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Answer 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 8

I think I know what happened...the #3040-P brake controller wiring adapter does have a plug on both ends, making it truly a plug and play install, but the plug on one end is white which kind of blends into the background when we took the photo. It…

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Answer 9

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Answer 10

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Answer 11

I checked your recent order and I see the components you already have: Curt 4-Pole to 7-Pole Adapter #C57674 and Tow Ready T-One Vehicle Wiring Harness #118496. Since you have an under-dash brake control port you can use a plug-and-play harness to…

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Installing a Trailer Brake Controller on a 2014 Toyota Tacoma

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