Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus
(1160 reviews)
Price: $12.98
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Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - Toyota and Lexus
Item # 3040-P
Retail:$28.99
Our Price: $12.98
You Save: 55%
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- Reviews (1160)
- Q & A (579)
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Tekonsha Accessories and Parts - 3040-P
- Trailer Brake Controller
- Wiring Adapter
- Plugs into Brake Controller
- Tekonsha
- 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 vehicle'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
This Product Fits The Following Vehicles
- 2003 - 2014 Toyota Tundra with factory 4-Flat
- 2003 - 2014 Toyota Tundra with factory 7-Way
- 2003 - 2013 Toyota 4Runner with factory Tow Package
- 2010 - 2020 Lexus GX 460 with factory Tow Package
- 2003 - 2009 Lexus GX 470 with factory Tow Package
- 2003 - 2021 Toyota Land Cruiser with factory Tow Package
- 2003 - 2007 Lexus LX 470 with factory Tow Package
- 2008 - 2020 Lexus LX 570 with factory Tow Package
- 2003 - 2022 Toyota Sequoia with factory Tow Package
- 2005 - 2015 Toyota Tacoma with factory Tow Package
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 (1159 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.
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by: Robert06/04/2021
Every thing hooked up no problem. I have not used it yet. But I do not forsee any issues.
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by: David08/24/2020
Arrived sooner than I expected. Watched one helpful installation video (not exactly the same vehicle nor same brake controller but still useful). Took me about an hour and half (with heat breaks) to figure it all out and install. Works great. My only regret is that I waited so long to get to it. Saved over $250 compared to RV repair shop installation.
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Henr L - 12/28/2017
by: Henr L12/26/2016
2014 Toyota Tundra
Purchased brake controller for my 2014 Tuna. excellent order/shipping/receiving time.Received everything I needed with order in a very timely fashion. Website made it very easy to find and decide on exactly what I wanted. Etrailer will be my first choice for finding the accessories I need in the future. Purchased Tekonsha P3 brake controller and is the best thing to a factory installed controller I have encountered.
Comments
WOW! Somebody that actually cares! This email was a real surprise. Yes I amstill using the controller and it works better than any I have ever owned. Idefinitely recommend I as well as etrailer.com to everyone interested.Thanks for caring about your customers!
Henr L - 12/28/2017
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gregory a - 08/09/2017
by: gutley08/07/2016
Toyota Tundra
It would be easy to have this part order and install on the Tundra. i went one step further and end up using the wiring in the box with P3 Trailer brake and had to splice the wiring to make longer extension in order to install the P3 in the empty slot between the lighter and 12v socket which make is more customized look and out of way. Would be cool if they offer longer version for someone who want to install it somewhere else behind the driver's spot zone.
Comments
Product been working great. I even kept the console part and move it newer Tundra truck that I brought and bigger camper. Work better than I expected. I did use the bracket that come with the controller and mounted it. So I wouldnt have to worry about it coming loose or being in so far in the console. It also allow me to use the manual brake easily.
gregory a - 08/09/2017
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by: Tyler05/16/2020
2014 Toyota Tundra
I picked up the redarc brake controller and sumo bags. I installed both today. I have to say I'm excited to use both when I pick up my travel trailer. The Redarc is so clean! It might have taken me an hour to install but that was just bc I was deciding how I wanted to run it . Sumo bags took an hour to out on! I cant tell you how great they work yet. But the install was a breeze.
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Patrick B - 01/30/2014
Rachael H - 7/1/2014
by: Linus01/30/2014
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.
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 - 01/30/2014Comments
So you ran ground to negative side of battery? Or just on the frame interior somewhere?
-- comment by: Trevor - 06/29/2014For 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
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by: Larry08/31/2021
2020 Toyota Sequoia
The wiring harness could not have been easier to install, but it did take three service techs to locate the vehicle plug under the dash. etrailer is great. Package was shipped same day and arrived on the given date, although USPS delivered at 9:30 at night. Communication and follow-up from etrailer was a pleasant surprise. Will definitely shop here again.
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by: Dennis08/14/2021
Lexus
The Tehonsha Plug-In wiring adapter #3040-P fit just like it is supposed to in the 2015 Lexus KX 570. Also etrailer staff was very active in keeping me updated on my order progress and arrival. Also when I had trouble finding the KX side of the adapter the etrailer helped by providing articles and pictures. I am very pleased with my encounter with etrailer.
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Patrick B - 09/10/2013
by: Garen09/09/2013
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.
Comments
Thanks for the awesome review. Good info and really helpful for Land Cruiser folks.
-- Patrick B - 09/10/2013
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Mark N - 06/05/2015
by: Mark N06/05/2014
Toyota Tacoma
Install is very easy once you locate the vehicle's brake controller plug. 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. Once I found the plug, the install took less than 20 min. The controller works great.
Comments
Very well
Mark N - 06/05/2015
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by: Patrick09/09/2021
First plug was bad. Contacted etrailer & a replacement was sent quickly. Thanks!
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by: Robert F.07/08/2015
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.
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by: Samuel06/22/2021
Adapter is great, primus IQ box is average…. Good controls and easy to set up, however after unhooking once the connection between the port on the box and the plug is spotty and requires a little support (zip toe) to make a good enough connection to operate as it should
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by: Barrett03/21/2020
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.
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by: Chris M08/20/2013
2013 Dodge Ram Pickup
Installed P3 this weekend in 2013 Tundra Crewmax with towing package and pre-wire. Extremely easy, even with the center console installation. Will let the photos tell the story. Did have to combine the P3 included harness with the additional OEM harness to gain the length I needed. Plug and play with the pre-wire. Hooked up to trailer and set boost levels for varying loads. Works great! Vast improvement over older model Tekonsha controller in my Ram 2500 Diesel. Pull a Kiefer BP horse trailer: about 3600 lbs empty, 7500 with 3 quarter horses and gear. Usually pull 6-8 times per year, with only 1-2 horses. Short distance and flat terrain. It took about an hour to install. Dad is a retired USAF/FAA radar technician with every tool known to man. He QC'd the job. Will try to write better review later.
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by: Geoffrey08/31/2019
2003 Toyota Sequoia
Easy plug and play installation on my 2003 Toyota Sequoia with the factory tow option (maybe the tow package is standard equip, I purchased the vehicle used). My 03 Sequoia is 2WD and has a frame mounted hitch receiver, 7 way round trailer wiring connector and a transmission cooler. The factory harness is behind the left front kick panel. Remove the drivers door sill trim and one plastic nut on the cover. Factory pigtail is capped and taped. The controller harness could have been a bit longer for my setup on the right side of the steering column.
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by: Dale V04/08/2011
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.
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by: Eddie C03/10/2014
I bought a new trailer and wanted to go camping. I did not have a brake controller. I called around and to get a Prodigy P2 installed it would be a 2 hour drive to the dealership plus about $200 bucks for parts and another $115 for an hour of labor. I found this website, got the prodigy P3 plus 2 day shipping and installed it with their super simple video in 15 minutes all for less than $200. I was very pleased to say the least. I highly recommend them. Service was outstanding! Video instructions spot on and simple.
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by: Bruce04/23/2021
Toyota Tundra
This was an easy plug n play device to allow the Tekonsha brake system be hooked into our Toyota Tundra. We've been using the Tundra with a dump trailer for the past 3 days and the brake system purchased from worked well, as it has for the past year.
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by: Marc04/26/2021
2003 Toyota Tundra
I used the adapter to attach to harness that was supplied be Etrailer. My truck wasn’t wired for a brake controller.
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T. K - 04/10/2021
by: Keith04/08/2020
2012 Toyota Tacoma
Good product. After I finally found the plug on my 2012 Toyota Tacoma I had no problems with this connection cable at all!
Comments
Used several times and have had no problems at all.
T. K - 04/10/2021
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by: Jay04/17/2019
2014 Toyota Tundra
This is my second time I bought this exact controller and harness...the first one was an easy install on my 2014 toy tundra crewmax...easy plug and play and has worked great, this new one is going on a 2005 Toyota tundra sr5 extra cab but haven't installed it yet. First one took about a half hour.
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by: Tatjana05/04/2021
This product has been very reliable with no issues. We are also very pleased with the service, follow up, and communication by the etrailer team. Thank you and we recommend this product and etrailer!
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by: Timothy08/26/2020
I ordered a brake controller with pigtail for Toyota nd it was delivered quickly. After I installed it a couple weeks later I discovered I didn't have a good connection at the controller. I contacted etrailer right away and they promptly sent me a new pigtail which solved the problem. My only complaint is you have to wait a long time before you can get someone on the phone, but maybe that is because of the coronavirus thing.
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by: Jason07/23/2021
Exactly what was required for our installation - info provided by etrailer makes choosing the part and installing a breeze.
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Ask the Experts about this Tekonsha Accessories and Parts
- Brake Controller Connector Location in 2010 Toyota HighlanderThe # 3040-P is confirmed by Tekonsha to be the correct brake controller wiring harness for the 2010 Toyota Tacoma, as long as it's equipped with the factory 7-way. If you don't have the factory 7-way, the connector under the dash won't be present and you'll need to use the # ETBC7 install kit along with a # 118496 4 pole trailer wiring harness. This is shown in the linked video. From the photo you kindly provided (assuming again that you have the factory 7-way) it looks like you...
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- Which Tekonsha Brake Controller Install Harness Fits 2019 Toyota TacomaTekonsha 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.
view full answer... - What Is The Purpose Of Fifth Wire On Vehicle-Side Brake Controller Port On 2008 Toyota TundraThe fifth wire on the Tundra brake controller connector is for illumination. This is not used on any of the brake controller we carry and when you install the Tekonsha # 3040-P plug-in adapter, the fifth wire is basically ignored. The 3040-P is confirmed as a fit for your Tundra, but it is designed for Draw-Tite # 5100 and Tekonsha, # 39523, # 90885, # 90195, # TK90160, and # 39510 brake controllers. If you do not have a brake controller for your Tundra, I recommend the Prodigy...
view full answer... - Recommended Brake Controller and Wiring Harness for 2012 Toyota Tundra ConsoleThe 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 # RED44FR which will...
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view full answer... - How Does Brake Controller Normally Install in 2007 Toyota Tundra without Factory 7-WayIf 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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- Brake Controller Plug In Location for a 2007 Toyota Land CruiserWe have had customers state that the location of the brake controller port on the Toyota Land Cruiser is 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 according to one customer. I have included the pictures they sent to us.
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- Where Does a Brake Controller Plug Into on a 2013 Toyota TacomaFor your 2013 Toyota Tacoma and a Tekonsha brake controller the correct brake controller wiring harness is # 3040-P. In plugs into a plug on the truck located under the dash to the left of the emergency brake pedal. Some times the factory plug can fall behind the driver's side kick panel or be tucked up higher and attached to another wire bundle. I have included a link to a video that shows the general area it is located. It is on a 2012 Tacoma which will be the same as on a 2013. If...
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view full answer... - Brake Controller Port Location on 2008 Toyota SequoiaSince your 2008 Toyota Sequoia came with a factory tow package, you can plug in the wiring harness, # 3040-P into the port on the vehicle. It is located under the dash to the left of and above the the emergency brake. You will remove the panel that is there on the far left, and the connector will be tucked up behind some other harnesses. It will have a white connector. I have included a link to a video that shows the installation of this harness on a 2008 Sequoia just like yours.
view full answer... - Need Wiring Harness To Install Tekonsha Prodigy P2 Brake Controller In 2018 Toyota SequoiaI did some research and it looks like nothing significant has been changed with your 2018 Toyota Sequoia compared to previous model years so you will need the Plug-In Wiring Adapter, Item # 3040-P, to install your Prodigy P2, Item # 90885. I have attached a video for you to check out.
view full answer... - Correct Tekonsha Brake Controller Adapter for 2005 Toyota TundraPart 3017-S is for the 2015 Toyota Tundra. In order to get you the correct part I would need to know what brake controller you have as well as if your 2005 Tundra has a factory 7-way or not.
view full answer... - Interior Trailer Lights Do Not Work When Trailer is Connected to a 2012 Toyota TacomaFirst you will want to test the 12 volt circuit on the truck side 7-Way trailer connector to make sure that it is receiving power. You may need to have the key in the on position in your 2012 Toyota Tacoma to make the 12 volt circuit active. Using a circuit tester such as # 40376 test the pin in the 1 o'clock position. If it does not have power then it could be a blown or missing fuse or relay. Use the truck owners manual to find the locations of all the fuses/relays related to the tow...
view full answer... - Brake Controller Installation-2005 Toyota TacomaAccording 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...
view full answer... - Brake Adapter for 2009 Tacoma without Tow PackageIf 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.
view full answer... - How to Install a Brake Controller in a 2015 Toyota TacomaIf 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... - 2006 Toyota 4Runner Brake Controller Install Port LocationI attached a picture that shows which connector to use as well as an install video that shows the # 3040-P being used to install a brake controller in a similar 2004 4Runner.
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- Brake Controller Installation Instructions for a 2006 Toyota Tundra with Factory Tow PackageYou have come to the right place, we have a video showing the installation of a brake controller on a 2007 Toyota Tundra that will be identical to your installation. I have also included a link to the instructions for the Tekonsha Prodigy P2 Brake Controller, # 90885, for you to review. On the 2006 toyota Tundra with factory tow package you will only have to plug harness # 3040-P in under the dash and at the rear of the brake controller to complete the installation. Once installed...
view full answer... - Wiring a 2008 Toyota Highlander Hybrid with a 7-Way Trailer Connector and Brake ControllerIf 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...
view full answer... - Brake Controller and Installation for a 2014 Lexus GX 460On 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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- Replacing OEM Brake Controller On 2016 Toyota TundraI called my contact at Tekonsha about your 2016 Tundra and the OEM brake controller. They have not received any bulletins or information about the OEM controllers. We have not had the opportunity to install a brake controller on a 2016 Tundra that has an OEM controller already installed. They told me that you may have to get the computer 'flashed' in your Tundra at the dealership when you remove the OEM and replace it with the P3, part # 90195. This is a discussion you would need to...
view full answer... - 2015 Sequoia SR5 Brake Controller Wiring Harness LocationOn your 2015 Toyota Sequoia SR5, the harness to connect the # 3040-P is located underneath the dash, to the left of the steering column, taped to another harness near the emergency brake pedal. I've attached a video to assist. It is tucked up there and not extremely easy to find. If you don't have the tow package and the wiring you mentioned was added by the dealer or a previous owner, then you will need kit # ETBC7 to complete your vehicle brake controller wiring.
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