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Tekonsha
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Select your vehicle to confirm this part fits.
2004 - 2007 Chrysler Town & Country
Confirmed to Fit
2004 - 2007 Dodge Caravan
Confirmed to Fit
2004 - 2007 Dodge Grand Caravan
Confirmed to Fit

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Tekonsha T-One connector (also referred to as T-Connector) wiring harnesses are the fastest and easiest way to add an electrical connector to the back of your vehicle. These connectors are used to link the wiring from your vehicle to the trailer when towing. Tekonsha T-One connectors feature custom designs to fit each vehicle make and model based on manufacturer specifications. Plus, the Plug & Play connectors on the end of the wires make it easy to install. No cutting or splicing!
Tekonsha offers the largest, most complete line of T-One connectors. To install a Tekonsha T-One wiring harness, simply locate your vehicle's wiring harness connector typically behind the vehicle taillight - unplug the connection and insert the T-Connector into the vehicle's harness. It's that easy! So what are you waiting for? Hit the road with the peace of mind only Tekonsha can provide. Life's a Journey. Stop Often.
| BRAND: | TEKONSHA |
| PART NUMBER: | 118300 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 0.85 LBS |
| UNIVERSAL OR SPECIFIC FIT: | SPECIFIC |
| CIRCUIT PROTECTED: | NO |
| HARNESS TYPE: | MALE FEMALE |
| TERMINAL QUANTITY: | 4 |
| WIRE COLORS: | BROWN, GREEN, YELLOW, WHITE |
| WIRE QUANTITY: | 4 |
| WIRE GAUGE: | 16 GA. |
| POWER LEAD REQUIRED: | NO |
| ELECTRICAL SYSTEM TYPE: | 2-WIRE SYSTEM |
| HARDWARE INCLUDED: | YES |

Tekonsha is a leading manufacturer of electronic trailer brake controllers, pioneering the category in the 1970s. The lineup spans proportional units such as the Prodigy P3 and Prodigy iD, time-delayed controllers, the wireless Prodigy RF, plus vehicle-specific wiring harnesses, adapters and trailer brake components engineered for smooth, predictable stopping at any speed.
Tekonsha Engineering Company began in 1964 building RV steps and mirrors. Within a few years it had found its real calling, and by the 1970s Tekonsha was pioneering the manufacture of electronic trailer brake controllers, the product category that still defines the brand. More than half a century later it remains the reference name in trailer braking and is part of the Horizon Global group alongside Reese, Draw-Tite, Fulton, Bulldog and Wesbar.
A brake controller is the component that tells a trailer's electric brakes how hard to work and when, and getting that right is the difference between a controlled stop and a shove from behind. Tekonsha builds both major types. Proportional controllers use an internal accelerometer to sense how quickly the tow vehicle is slowing and apply trailer braking to match, so light braking stays light and hard braking is immediate. Time-delayed controllers ramp to a preset output over a fixed interval, a simpler and more economical approach that suits occasional towing.
The current brake controller range covers most of that ground. The Prodigy iD pairs with a phone through Tekonsha's EDGE technology for setup and monitoring, the P3 offers storable settings for multiple trailers and a trilingual colour LED display, the Prodigy P2 adds a dimmable display and boost mode for heavier loads, and the Voyager keeps operation simple and dependable. The Prodigy RF mounts to the trailer itself and controls wirelessly, which suits rental fleets and drivers who swap tow vehicles.
Installation is supported by vehicle-specific brake control harnesses that plug into a factory connector rather than requiring cut-and-splice wiring, along with mounting brackets and adapters. Matched controller bundles pair a unit with the correct harness. Products are tested to meet and often exceed published industry standards.
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3 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2004 - 2007 | Chrysler Town & Country | Tow Harness T: Connector Assembly Drilling Required Install Time is 20 minutes |
| 2004 - 2007 | Dodge Caravan | Tow Harness T: Connector Assembly Drilling Required Install Time is 20 minutes |
| 2004 - 2007 | Dodge Grand Caravan | Tow Harness T: Connector Assembly Drilling Required Install Time is 20 minutes |
The Tekonsha T-One T-Connector Harness, 4-Way Flat TK118300 (Part #TK118300) fits the following vehicles: 2004-2007 Chrysler Town & Country; 2004-2007 Dodge Caravan; 2004-2007 Dodge Grand Caravan. Always verify your specific year, make, and model before ordering.
The Tekonsha T-One T-Connector Harness, 4-Way Flat TK118300 (Part #TK118300) fits 2004-2007 Chrysler Town & Country models. The 2007 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the Tekonsha T-One T-Connector Harness, 4-Way Flat TK118300 (Part #TK118300) is designed to fit the 2004-2007 Chrysler Town & Country.
The Tekonsha T-One T-Connector Harness, 4-Way Flat TK118300 (Part #TK118300) Drilling is required for installation. Basic hand tools are typically all you need.
The N118300 T-Connector is a trailer wiring adapter that integrates with your vehicle's existing taillamp harness. It allows you to connect a trailer's electrical system to your vehicle without permanently modifying the factory wiring. The unit is rated for 7.5 amps per circuit. When not in use, it can be stored in your vehicle's jack storage compartment.
The manual does not specify which vehicle makes, models, or years are compatible with the N118300. Contact the manufacturer or your retailer with your vehicle's year, make, and model to confirm fitment before purchasing.
You will need a utility knife, a drill with a 3/32" bit, and a circuit tester or trailer to test the installation after completion. An eyelet and screw are provided with the unit for grounding the White wire.
The manual does not specify whether battery disconnection is required. Contact the manufacturer or consult a qualified installer for guidance on this safety step.
Yes. The first step of installation requires you to remove both of the vehicle's rear taillamp housings. You will then disconnect the wire harness from both taillamp sockets by sliding the red locking tab to the unlocked position.
The jack storage compartment is located on the driver's side of your vehicle. During installation, you will open this cover and partially remove the driver's side rear trim panel. The T-Connector is pushed through the jack storage compartment and out through the driver's side rear taillamp. After installation, the 4-Flat connector is stored in this compartment when not in use.
Open the jack storage cover on the driver's side and partially remove the driver's side rear trim panel. If necessary, peel back the black tape covering a hole on the vehicle body panel. Using the connector end of the T-Connector, push it inside the vehicle through the jack storage compartment and out the driver's side rear taillamp. Reposition the tape over the hole and wires if necessary. Then plug the T-Connector between the mating plug on the taillamp socket and the vehicle's wiring harness, and secure the connectors with the red locking tab.
Yes. With the vehicle wiring and grommets exposed on the driver's side, you must slit the grommet with a utility knife from the hole where the vehicle wiring passes through to the outside edge. Unwrap the tape around the grommet tabs, or cut the tabs off the grommet that hold it to the wires. After installing the T-Connector, place the rubber grommet back over the T-Connector wiring, push all existing vehicle wiring back into the grommet hole, and re-seat the grommet.
Route the T-Connector ends containing the Green wire over to the passenger side and repeat the previous installation steps: remove the rear taillamp housing, disconnect the wire harness, expose and slit the grommet, open the jack storage cover, push the connector through the jack storage compartment and out the passenger-side rear taillamp, plug the T-Connector between the mating plug and vehicle harness, secure with the red locking tab, and re-seat the grommet.
Locate a suitable grounding point near the adapter. Do not drill into the vehicle floor or bed. Clean dirt and rustproofing from the area. Drill a 3/32" hole and secure the White wire using the eyelet and screw provided.
Drill a 3/32" hole for the White ground wire. Do not drill into the vehicle floor or bed.
No. The manual explicitly states: "Do not drill into vehicle floor or bed." You must locate a suitable grounding point near the adapter that does not involve drilling through the floor or bed.
The manual identifies two wire colours: Green and White. The Green wire ends are routed to the passenger side during installation. The White wire is the ground wire, which is secured to a suitable grounding point using the provided eyelet and screw. The manual does not identify other wire colours or their functions.
Locate a suitable grounding point near the adapter. Clean dirt and rustproofing from the area. Drill a 3/32" hole and secure the White wire using the eyelet and screw provided. Do not drill into the vehicle floor or bed.
The N118300 is rated for 7.5 amps per circuit.
Test the installation with a circuit tester or trailer. This confirms that all connections are secure and the wiring is functioning correctly before you use the connector with a trailer.
Replace all trim panels removed during installation. Reinstall the taillamp housings, positioning the wire harness between the housing and the vehicle body. Store the 4-Flat connector in the jack storage compartment when not in use.
Store the 4-Flat connector in the jack storage compartment when not in use.
The manual does not specify compatible vehicles. Contact the manufacturer or retailer with your vehicle's year, make, and model to confirm fitment.
You will need a utility knife, a drill with a 3/32" bit, and a circuit tester or trailer for testing. An eyelet and screw are provided.
Yes. You must drill a 3/32" hole for the ground wire. You will also use a utility knife to slit the vehicle's rubber grommet. Do not drill into the vehicle floor or bed.
The N118300 is rated for 7.5 amps per circuit.
Test the installation with a circuit tester or trailer to confirm all connections are secure and functioning correctly.
Store the 4-Flat connector in the vehicle's jack storage compartment when not in use.



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Ordered online. Shipment arrived on time and with all the correct parts. Great customer service and friendly staff. Also, pricing was great!
May 22, 2023