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

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

Item # 3040-P
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Tekonsha Trailer Brake Controller - 3040-P
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Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your 's dash. Call 800-298-8924 to order Tekonsha accessories and parts part number 3040-P or order online at etrailer.com. Free expert support on all Tekonsha products. Guaranteed Lowest Price and Fastest Shipping for Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus. Accessories and Parts reviews from real customers.
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2015 Toyota Land Cruiser - Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus

  • Trailer Brake Controller
  • Wiring Adapter
  • Tekonsha
  • Plugs into Brake Controller
  • Vehicle Specific

Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your 's dash.


Features:

  • Wiring adapter eases installation of your electric brake controller
  • Custom connector end plugs into the built-in port beneath the dash of your vehicle
  • Other end plugs into the back of your electric brake controller
    • Compatible time-delayed brake controllers: Draw-Tite Activator I (5100), Draw-Tite Activator II (5500), Draw-Tite Activator III (5520) and Tekonsha PowerTrac (39523)
    • Compatible proportional brake controllers: Tekonsha Prodigy (90185), Tekonsha P2 (90885), Tekonsha P3 (90195), Tekonsha Primus IQ (TK90160) and Tekonsha Voyager (39510)
  • Wiring length: 32"
  • Limited 1-year warranty


Installation of Tekonsha Brake Controller Adapter

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.


To install your electric brake controller you need to connect the wiring of the controller to your vehicle. Certain manufacturers offer pre-wired options, typically known as tow packages, wherein these wires are run for you from the dash to the trailer connector on the back of your vehicle. Often, a brake controller wiring harness is included with your tow package. This harness plugs into a port beneath your dash and connects to the four wires of the brake controller. If, however, you have a brake controller with a plug in place of the four loose wires, you can use the Tekonsha adapter.


This adapter requires no hardwiring. It is designed to plug directly into your electric brake controller for the simplest installation possible. Because there are no wires to connect, installation is not permanent. You can unplug and remove your brake controller at any time and securely stow it away.



3040-P Tekonsha Brake Control Wiring Adapter with 2 Plugs

Installation Details 3040-P Installation instructions

California residents: click here



Customer Reviews

Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus - 3040-P

Average Customer Rating:  4.9 out of 5 stars   (996 Customer Reviews)

Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your vehicle's dash.

- 3040-P
by:
2003 Toyota Tundra

Easy plug and play! The factory harness plug is taped up pretty well behind a lot of wires- remove the tape carefully so you don’t cut into any of the hundreds of wires under the dash. Harness length is plenty long enough to tuck the unit near my right knee in a 2003 Tundra. 768410



- 3040-P
by:
2013 Toyota Land Cruiser

The wiring package worked fine for my 2013 Land Cruiser. Previous pictures posted by others were very helpful in identifying the appropriate plug to release behind the switch panel. As stated, it is in a holder, but otherwise easily freed with a small tab on the bottom of the fixture. Further, I was able to locate the Tekonsha controller on the passenger side of the steering column, over my leg operating the accelerator. The space is tight, but sufficient. As another stated, I don't care for the lack of an off button, but it does go to sleep, extinguishing the light. My contribution is that the removal of the switch panel to start the whole operation goes as follows: 1) Using a thin plastic putty knife or equivalent, pry the panel trim at the lower left side first. Take time to safeguard the easily damaged plastic. The first tab came off easily for me. 2) Work upwards on the left side to the top left of the panel. There are tabs at each corner that have a mild spring action to fit and need only gentle pressure. The top trim panel tabs need to go down a bit to release. 3) Coax the third (right top) and fourth (fight bottom) tabs out, taking special note that the entire trim piece is not only secured by the four corner tabs, but a lip engagement where the trim fits under the dash trim immediately to the right of the trim. 4) You may need to lift the trim just to the right of the switch panel to extricate the switch assembly. It is secured by a tab at the top left. Note that the air bag contained behind this trim piece is not compromised by any of these actions. 5) You should now be able to remove the switch panel, albeit with some wriggling. 6) The wiring is long enough to route to the spot I noted, and the ground wire secured at a point to the left and below the assembly that originally held the factory controller plug. It takes a 10 mm wrench and can be easily used as a ground. I did release the trim to the right of the switch trim, and it helped to route the wiring. It powered up but I have not used it yet, so this note is only to help the other Land Cruiser person out there remove the switch trim without a reciprocating saw. 388423


Comments
Thanks for checking the product was flawless.
KRT - 06/06/2018

39348

- 3040-P
by:
2008 Toyota Tacoma

We ordered a part for the 2008 Land Cruiser and was told that it's the same installation. IT IS NOT! The connection to the harness is not in the same location as Tacoma. After looking for more than an hour, I got smart and found some info on another website. Even the manufacture has the info wrong. So, if you have a 200 series Land Cruiser, your plug is located under the dash behind the switches for the mirror. You will need to take apart the lower dash panel and then push out the switch panel. There is no need to detach any switch, it all hangs out just fine. See photos for the location of the plug. Plug the adapter in from there you can follow the instructions. 99168


Comments
Thanks for the awesome review. Good info and really helpful for Land Cruiser folks.
-- Patrick B - 09/10/2013

2052

- 3040-P
by:
2012 Toyota Tundra

Tekonsha brake controller plug-in wire worked awesome. Clicked right into my 2012 Toyota Tundra and straight into my Tekonsha P3 brake controller. Zip tied excess wire below dash and installation was complete. Recommend this to everyone. 566110



- 3040-P
by:

Easy to install. Owners manual had location of factory plug and we installed the entire system in less than an hour. We used the removable bracket so the unit can be stored in the case that was included with the controller when not towing so it is completely out of the way of the drivers legs and knees. We are a collision repair shop and I would rate the ease of installation as relatively easy if you just use common sense and consider wiring location and controller location BEFORE drilling holes in the plastic lower dash cover. Also need to be mindful on the lower air bag that protects the drivers legs in a serious collision and the routing of the wires if you install it on the right side of the steering wheel. We used wire ties and a small plastic wire holder to place the wiring in a secure place that does not rub through the wire insulation or get snagged by the drivers feet. See the attached photos. All work was performed in slightly less than one hour. 210331



- 3040-P
by:
2008 Toyota Tundra

No hassle hookup. etrailer was awesome, they shipped my P3 and this connector immediately and provided great tracking. They also followed up afterward. Excellent customer service!!! Real customer service is hard to find these days. Thanks etrailer!!! I haven't towed my travel trailer yet but the controller is installed in my 2008 Tundra and looks great. Everything seems to be working as it should. I can't wait to try it out. Regards, Dale V. 11353



- 3040-P
by:

I am now much more confident driving a trailer with the installed: Tekonsha Plug-In Wiring Adapter. Given advice to get a brake controller for hauling a heavy load such as a travel trailer, I decided on the Tekonsha. I located the controller in a place that was mostly out of the way, and the connection was relatively easy due to the vehicle having a connection for such a device. So, after installing it, I really noticed the braking with the trailer was much easier, and I felt much better about emergency situations since then. Since purchasing the controller I have gotten a lighter trailer, and the brakes really grabbed. After adjusting the level of braking using the controller, which was very easy manual button pushing, the new trailer's brakes are now controlled while I brake. It's an awesome unit. I suggest anyone hauling a trailer to get this particular unit. 643911



- 3040-P
by:

Pictures of the install. Approximately a 20 min job. First picture my finger is pointing to the factory plug with the etrailer supplied harness plugged in. Note the harness did not specify that the white common with the ring terminal should be connected to ground. But then again that SHOULD be obvious. I will be towing this weekend so I will rate the product then. One minor gripe is that there is always power to the unit which is a battery drain (as evidenced with the key out of the ignition and the unit stayed on) Not sure as to the impact but the controller can always be unplugged or removed. Sorry for the dirty floor mats in the photos. 115202


Comments
Just a quick note, the controller has an automatic shut-off. After 15 minutes of the truck powering off and sitting still, the control powers down. As soon as it sees movement, it powers back on.
-- Patrick B - 01/30/2014

2674
Comments
So you ran ground to negative side of battery? Or just on the frame interior somewhere?
-- comment by: Trevor - 06/29/2014

5204

For this harness you can either run the ground to the negative side of the battery, or use a know ground location within the vehicle. Running the ground to the negative side of the battery will yield a better connection, however you may have to extend the wire to reach the battery. Either way you choose to ground the controller it is always recommend to test the brake controller at slow speeds and make sure that it is functioning properly before starting a long trip.

-- Rachael H - 7/1/2014


- 3040-P
by:

Perfect Fit 855675



- 3040-P
by:

Excellent! 854011



- 3040-P
by:

Product was exactly what was written. Fit perfectly and went in quick. 853367



- 3040-P
by:

No joke, the best online purchasing experience I've ever had. Packaged and shipped on a Sunday and received on a Thursday. Extremely informal and was able to track my package throughout its entire route. 853324



- 3040-P
by:

Adam was a great help to me. Very knowledgeable about the products! Carlos, Complete Landscape. 853306



- 3040-P
by:

worked as advertised. 851422



- 3040-P
by:

Very fast shipping , correct parts and very user friendly. Good business and great price. Very happy with product and company . 850124



- 3040-P
by:

Worked perfectly for my 2010 Tundra 848534



- 3040-P
by:
2011 Toyota Tundra

This product worked well to hook up the brake controller on my Toyota Tundra. 848069



- 3040-P
by:
2008 Toyota Tundra

Extremely fast delivery as advertised good solid products 831623



- 3040-P
by:

Great product. It does exactly what Tekonsha and etrailer say it will do. Also, as opposed to many retailers out there, which ask for a report a couple of days after you got the product, etrailer waited one year to ask for my opinion An honest approach. 831493



- 3040-P
by:

Great product - no issues 828673



- 3040-P
by:

Great service and very good prices, I would highly recommend. 828054



- 3040-P
by:

After a year I have had not one problem.only one problem with the installation was finding a grounding point. 825116



- 3040-P
by:

Worked perfectly. 824144



- 3040-P
by:

Very easy to install, due to the simplicity of my initial search. Thank you for your follow up. 823001



- 3040-P
by:

Great device to adapt my factory harness to the brake controller! Fits perfectly and the trailer stops so well I don't even feel it "pushing" my truck. 822447


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Ask the Experts about this Tekonsha Accessories and Parts

  • How Does Brake Controller Normally Install in 2007 Toyota Tundra without Factory 7-Way
    If your 2007 Toyota Tundra had a 7-way installed on it that would mean that it wasn't wired from the factory for a brake controller. While they may have found a connector under the dash it would not have been active and as far as we know there isn't an easy way to accomplish this. Before we get too far into that, you should have the company who installed it get it functional on their time and for free. You paid them to install a functional brake controller, not just mount it on the dash...
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  • Recommended Brake Controller and Wiring Harness for 2012 Toyota Tundra Console
    The Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus # 3040-P is a great option for Tekonsha brake controller wiring in the traditional location. However, because you desire the controller to be a part of your console, there are better options available for that fit. I recommend the Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Pigtail - Toyota # 3040-S along with the Redarc Tow-Pro Elite Trailer Brake Controller # 331-EBRH-ACCV2 which...
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  • Which Tekonsha Brake Controller Install Harness Fits 2019 Toyota Tacoma
    Tekonsha does have a brake controller install harness that fits your 2019 Toyota Tacoma with the # 3031-P but the # 3040-P does not fit. This will work great with the P3 brake controller part # 90195 which many refer to as the best brake controller out there. If you type your question in to the search box on the top right part of your screen and then press the tab that says "questions" or "Q and A" you'll see all question pages we've made related to your search terms.
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  • Where Is the Brake Controller Plug Located on a 2008 Lexus LX570?
    For your 2008 Lexus LX570 the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus # 3040-P will plug into the factory harness located underneath the dash, to the left of the steering column, taped to another harness near the emergency brake pedal. This is only if you have the factory 7-way. I've attached a video of this installation (one of a Curt connector) on a couple of Toyota's which have the same connection location. If you don't already have the...
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  • Troubleshooting Trailer Brake Controller Wiring Adapter Installation for 2007 Toyota Tundra SR5
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  • Installation of Ground Wire on Tekonsha Plug in Wiring Adapter for 2006 Toyota 4Runner
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  • Where Does a P3 Brake Controller Plug In On a 2015 Toyota Sequoia
    On your 2015 Toyota Sequoia the factory brake controller plug is located underneath and to the left of the steering column, taped to another harness near the emergency brake pedal. There will be a 5-pin connector that mates with the one on harness # 3040-P. I have linked a video showing this harness being installed on an older Sequoia to show you the general location and what it looks like. You may have to remove the kick panel next to the emergency brake pedal and it could be tucked...
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  • What do the 4 Wires of a Prodigy Brake Controller Wire to on a 2010 Toyota Tundra
    I attached a picture that shows what circuits the wires of your Prodigy brake controller will connect to. The blue wire is the brake output circuit which carries the brake signal to the brakes, the red wire is the brake switch circuit that will have voltage when the brakes are applied, the black wire is the 12 volt power source which powers the controller, and the white wire is the ground circuit. The green wire you found will not attach to the brake controller. You could use a circuit...
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    Tekonsha brake controller wiring harness # 3040-P does indeed plug into the back of the P3 brake controller # 90195. If your 2009 Toyota Tacoma came with a factory installed 7-Way trailer connector then the plug for the brake controller will be present on the truck. If it did not come with a factory 7-Way then the plug may not be there or if it is it may not be fully functional. If the connector is present and functional then you would not have to hardwire anything to install a brake...
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    To install the Prodigy P2 part # 90885 in your 2015 Toyota Tacoma the install harness part # 3040-P is the correct one to use. The plug in a Tacoma is extremely well hidden. It is high above the driver's side kick panel taped behind a plug wrapped in foam. I have attached a photo to help you locate it in a late model Tacoma. It's the white connector.
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  • Recommended Brake Controller for 2010 Toyota Tundra Towing 7000 lb Travel Trailer
    Brake Controllers are not vehicle specific, so just about any controller would work for you. This being said, I would recommend you go with a proportional type brake controller. A proportional controller features an internal sensor that can determine how quickly and at what intensity the tow vehicle is braking. The controller will then send the appropriate amount of voltage to the trailer brakes so that the trailer and tow vehicle stop at the same rate. This makes for a safer stopping action,...
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  • Brake Controller and Installation for a 2014 Lexus GX 460
    On your 2014 Lexus GX460 the Tekonsha Plug-In Wiring Adapter # 3040-P that you referenced would simply plug into the connector you found. The brake controller only needs 4 of the circuits in your connector to function. The battery power supply, stoplight circuit, ground, and brake output to run to your factory 7-way. The additional ground wire should be run to a metal surface near the connector. The Toyota ground is not sufficient for aftermarket brake controllers. There should be a...
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  • 2013 Toyota Tundra With Under Dash Port Brake Controller Recommendation
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  • How to Install an Electric Brake Controller On a 2007 Toyota Tundra with Factory Tow Package
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  • Brake Controller and Installation for a 2014 Toyota 4Runner
    To install a brake controller like the Prodigy P2 part # 90885 that you referenced all you need is the 4 wires to install the controller. Sometimes vehicles will have extra wires ran to the brake controller port (like in your case), they just simply aren't used. All you need is the part # 3040-P to install the controller. You will need to run the ground wire of the harness as well. I attached an install video for you to check out as well.
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  • Troubleshooting Proidgy P2 Brake Controller on 2015 Toyota Tundra
    The first thing to note is that if you have the Prodigy P2 # 90885 on your 2015 Toyota Tundra and DO have the factory tow package, the correct wiring harness is # 3031-P. If you do NOT have the factory tow package and instead you needed to hardwire your brake controller you may not have wired it correctly. The black wire is the 12V function and needs to be connected to the positive battery terminal with a 20 or 30 amp circuit breaker. I've added a link to a help article on troubleshooting...
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  • 2006 Toyota 4Runner Brake Controller Install Port Location
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  • Locating Brake Controller Port Under Dash of 2007 Toyota Tundra w/ Factory 7-way
    I contacted our representative at Tekonsha and he informed me that the plug should be located under the dash to the left of the brake pedal or behind the kick panel. The plug will more than likely be tucked up behind wires behind the kick panel (see video link at :35 second mark). If the 7-way on your 2007 Toyota Tundra is factory, then you will be able to install your brake controller using the wiring adapter, Tekonsha Wire Replacement, part # 3040-P. The item you selected, Tekonsha...
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  • Location of Factory Brake Controller Port on a 2006 Toyota Tundra
    As long as your 2006 Toyota Tundra has the factory tow package that included a 7-Way trailer plug at the rear of the vehicle, you will be able to find the brake controller port under the dash, to the left of the steering column. It should be taped to another harness near the emergency brake pedal. Also note that there is a second ground wire (white) that will need to be connected in order for the brake controller to function properly. I have included a link to the installation details for...
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  • Brake Adapter for 2009 Tacoma without Tow Package
    If your truck came off the line with a factory 7-way plug, you have an electrical tow package. This means you are set up for a brake controller. However, it sounds like the hitch wasn't included. Since you have a plug under the dash, your wiring is there and this adapter will work for you with our Tekonsha brake controller.
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  • Installing a Brake Controller on a 2014 Toyota Tacoma that Did Not Come with Factory Tow Package
    You will need to do a little hardwiring to install the P2 brake controller # 90885 on your 2014 Toyota Tacoma. You already have most of the parts so the only thing left is installation kit # 5506. This is needed because the vehicle did not come with the factory tow package so the wiring is not present from the front of the vehicle back to the 4 to 7-Way adapter you have installed. Use the wire included with kit # 5506 to attach the brake controller blue wire to the blue wire on the adapter,...
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  • Location of Trailer Brake Controller Port on a 2007 Toyota Tacoma with Factory Tow Package
    I have included photo that shows the location of the brake controller port on a 2007 Toyota Tacoma. We have not had a 2007 model that had a tow package to determine the plugs exact location for that model year. According to my contacts at Tekonsha, the connector will either above the emergency brake pedal, or behind the kick plate panel to the left of the emergency brake pedal. The connector will be white in color, and should have a white tag on the wire harness leading to it. When you...
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  • Parts Needed to Wire Brake Controller to 2012 Toyota Tundra
    Yes, the install harness part # 3040-P is the correct brake controller install harness to install the Draw Tite I Command part # 5535 in your 2012 Toyota Tundra. I attached an install video and a picture that shows where the harness installs on your vehicle.
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  • Brake Controller Installation-2005 Toyota Tacoma
    According to my contact at Tekonsha, the # 3040-P is the correct brake controller wiring harness for a 2005 Toyota Tacoma IF the vehicle is equipped with the factory 7-way trailer connector. The # 3040-P is compatible with all Tekonsha brake controllers that have either the socket in the rear of the controller for the harness or those that have the wires that extend from the rear of the controller that terminate in a connector. If your controller has wires that exit the controller and terminate...
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  • Brake Controller Connector Location on a 2005 Toyota Sequoia
    The brake controller harness on your 2005 Toyota Sequoia can be accessed by removing the kick plate near your emergency brake. The harness itself will be tucked up, and should be taped to another harness near the fuse block. The installation video for the 2008 Toyota Sequoia shows in detail how to find the plug. If you do not already have a brake controller, I would recommend the brake controller # 90885 and the correct wiring harness is # 3040-P, as it will offer a simple, plug-in...
    view full answer...
  • How to Install a Brake Controller in a 2015 Toyota Tacoma
    If your 2015 Toyota Tacoma has a factory 7-way the correct install harness would be the part # 3040-P. 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. See install video I linked. If you do not have a trailer connector at the rear of your vehicle you would need to go a different route. You will...
    view full answer...
  • Installing a Trailer Brake Controller on a 2014 Toyota Tacoma
    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...
    view full answer...




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