Trailer Wiring and Bracket For 06‑12 Toyota RAV4 08‑10 Sequoia Plug & Play 4‑Flat Harness
Model: 118412 118144Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles:
2008 - 2010 Toyota, Sequoia, All Styles
Wiring Kit Specs:
| Part Number | 118412 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions |  |
| Part Number | 118144 |
| Fits | 4 Flat Connectors |
| Brand | Tow Ready |
| Mounts electrical connector to attachment bracket Includes screws and nuts Attractive point-of-purchase packaging |
|
| Warranty | 1 Year |
Questions or Comments? Call 702-374-8999
Thank you for choosing Tekonsha, the most powerful name in trailer light wiring and brake control system. Our trailer wiring harness is vehicle specific, requires no splicing or cutting of the wires. Simply plug & play and your vehicle will be able to control trailers brake, turn and running lights. Trailer wiring kit comes with a 1 year warranty and everything necessary to install the trailer plug wiring. Tekonsha manufactures a wider range of different products for hooking up trailer lights to your Car Truck or SUV. T-One connectors work great with boat trailer wiring and utility trailer wiring. Typically those trailers will use the standard 4 flat plug which is what our T One connectors offer. If you have an RV Fifth Wheel or any other large type of trailer you will us a 7 pin trailer plug to control your electric trailer brakes. Tekonsha offers 7 pin trailer connector as well. Simply do a search above to see if there is a 7 wire trailer wiring available for hooking up your 7 way. If there is not you can use part number 85343 trailer wiring adapter to convert any 4-Flat into a 7-Way. In addition you will use part number 20506 which will include the rest of wiring needed for electric brake controls. You can also call us or email us any time and we will be able to provide information you need.
Partial list of fitment years:
06 07 08 09 10 11 12 2006 2007 2008 2009 2010 2011 2012
$76 93 $111.54 31% OFF
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Product Details
- Brand: Tekonsha
- Model: 118412 118144
- Includes: T-One T-Connector Custom Harness, Mounting Bracket
Compatibility Chart
Description
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles:
2008 - 2010 Toyota, Sequoia, All Styles
Wiring Kit Specs:
| Part Number | 118412 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
| Part Number | 118144 |
| Fits | 4 Flat Connectors |
| Brand | Tow Ready |
| Mounts electrical connector to attachment bracket Includes screws and nuts Attractive point-of-purchase packaging |
|
| Warranty | 1 Year |
Questions or Comments? Call 702-374-8999
Thank you for choosing Tekonsha, the most powerful name in trailer light wiring and brake control system. Our trailer wiring harness is vehicle specific, requires no splicing or cutting of the wires. Simply plug & play and your vehicle will be able to control trailers brake, turn and running lights. Trailer wiring kit comes with a 1 year warranty and everything necessary to install the trailer plug wiring. Tekonsha manufactures a wider range of different products for hooking up trailer lights to your Car Truck or SUV. T-One connectors work great with boat trailer wiring and utility trailer wiring. Typically those trailers will use the standard 4 flat plug which is what our T One connectors offer. If you have an RV Fifth Wheel or any other large type of trailer you will us a 7 pin trailer plug to control your electric trailer brakes. Tekonsha offers 7 pin trailer connector as well. Simply do a search above to see if there is a 7 wire trailer wiring available for hooking up your 7 way. If there is not you can use part number 85343 trailer wiring adapter to convert any 4-Flat into a 7-Way. In addition you will use part number 20506 which will include the rest of wiring needed for electric brake controls. You can also call us or email us any time and we will be able to provide information you need.
Partial list of fitment years:
06 07 08 09 10 11 12 2006 2007 2008 2009 2010 2011 2012
Get Expert Help
Trailer Wiring and Bracket For 06-12 Toyota RAV4 08-10 Sequoia Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118412
Tools Required:
- Trim Panel Remover
- Phillips Head Screwdriver
- Drill with 3/32” Drill Bit
- 10mm and 12mm Wrench
Step-by-Step Instructions:
-
Prepare the Vehicle:
- Open the rear hatch.
- Temporarily remove the rear threshold plate, privacy screen, storage covers, and floor covering.
- Partially remove the rear interior trim panels on both the driver and passenger sides of the vehicle.
- Carefully remove several trim panel fasteners to free the panels. Set aside all items, taking care not to damage any parts.
-
Locate the Vehicle's Taillight Wiring Harness:
- On both sides of the vehicle, locate the taillight wiring harness.
- Identify the connector at the rear of the taillight assembly.
- Carefully separate the connector, ensuring not to break the locking tabs. Clean all connector surfaces of dirt.
-
Install the Driver-Side T-Connector:
- Attach the T-Connector ends containing the yellow and brown wires between the vehicle connectors on the driver’s side.
- Ensure the connectors are fully inserted with locking tabs secured.
-
Route the Passenger-Side T-Connector:
- Route the T-Connector containing the green wire below the threshold cover to the passenger side.
- Repeat Step 3 using the T-Connector ends containing the green wire.
-
Mount the T-Connector Black Box:
- On the driver’s side, find a flat surface in a location out of the way.
- Mount the T-Connector’s black converter box using the provided double-sided tape.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as the vehicle's frame or cross member.
- Clean dirt and rustproofing from the area.
- Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
- Caution: Verify what is behind the surface before drilling to avoid damage or injury.
-
Connect the Power Wire:
- Locate the red 12-gauge power wire from the T-Connector black box.
- Attach the black 12-gauge wire provided in the kit.
- Route the black wire through a grommet and along the exterior frame or follow the existing wiring along the thresholds to the engine compartment.
Warning:
- Avoid routing near hot pipes, heat shields, the fuel tank, or other areas that could pinch or break the wire.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle’s negative (-) battery cable.
- Remove the fuse from the yellow fuse holder. Attach the ring terminal to the fuse holder wire and secure it to the positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
- Reconnect the negative (-) battery cable and install the 10-amp fuse into the fuse holder.
-
Secure the Wiring:
- Use the provided cable ties to secure all loose wires.
- Ensure the T-Connector harness is routed away from areas that could cut or pinch the wire.
-
Reassemble the Vehicle:
- Reinstall the plastic trim panels, threshold, storage covers, and floor covering, ensuring no wires are pinched or cut during reassembly.
-
Test the Installation:
- Verify the T-Connector functionality using a test light or trailer.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps)
- Max. tail lights: (4.2 amps)
Safety Notes:
- Do not exceed the towing manufacturer’s rating or the unit specifications.
- Overloading circuits can cause fires. Ensure all connections are secure and complete.
Manufacturer Notes:
- Read and follow all vehicle warnings and installation instructions carefully.
- Refer to the vehicle owner’s manual for additional information.
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