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Tekonsha
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Select your vehicle to confirm this part fits.
1993 - 1999 Ford Ranger
Confirmed to Fit
1994 - 1997, 2002 - 2009 Mazda B2300
Confirmed to Fit
1998 - 2001 Mazda B2500
Confirmed to Fit
1994 - 2008 Mazda B3000
Confirmed to Fit
1994 - 2009 Mazda B4000
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: | 118325 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 0.62 LBS |
| UNIVERSAL OR SPECIFIC FIT: | SPECIFIC |
| CIRCUIT PROTECTED: | YES |
| 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: | 3-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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5 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 1993 - 1999 | Ford Ranger | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 5 minutes |
| 1994 - 1997, 2002 - 2009 | Mazda B2300 | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 5 minutes |
| 1998 - 2001 | Mazda B2500 | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 5 minutes |
| 1994 - 2008 | Mazda B3000 | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 5 minutes |
| 1994 - 2009 | Mazda B4000 | Tow Harness T: Connector Assembly Uses all existing holes. No Drilling required Install Time is 5 minutes |
The Tekonsha T-One T-Connector Harness, 4-Way Flat, w/Converter TK118325 (Part #TK118325) fits 1993-1999 Ford Ranger models. The 2009 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, w/Converter TK118325 (Part #TK118325) is designed to fit the 1993-1999 Ford Ranger.
The Tekonsha T-One T-Connector Harness, 4-Way Flat, w/Converter TK118325 (Part #TK118325) fits the following vehicles: 1993-1999 Ford Ranger; 1994-2009 Mazda B2300; 1998-2001 Mazda B2500; 1994-2008 Mazda B3000; 1994-2009 Mazda B4000. Always verify your specific year, make, and model before ordering.
The Tekonsha T-One T-Connector Harness, 4-Way Flat, w/Converter TK118325 (Part #TK118325) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The T-connector adapter is used to connect a trailer wiring harness to your vehicle's taillight wiring. It inserts between the vehicle's existing taillight connectors to provide a connection point for trailer lights without cutting or splicing wires.
The manual does not specify which vehicle makes, models, or years are compatible with part 18325-037. Verify compatibility with the manufacturer or your vehicle's documentation before purchasing.
The taillight wiring harness is located along the inside of the left rear frame rail. This harness has a connection point with connectors that match the ends of the T-connector adapter.
The manual does not specify whether battery disconnection is required. Contact the manufacturer or a qualified installer to confirm this safety requirement before beginning installation.
Carefully separate the harness connectors while being careful not to break the locking tabs. Before reconnecting, check that the mating surfaces of the connectors are free of dirt and clean them if necessary.
Insert the T-connector adapter between the separated harness connectors and lock it into place. Ensure that connectors are fully inserted with locking tabs in place to secure the connection.
Route the T-connector harness to the center of the vehicle. Secure the black box to the bumper bracket or other mounting point using the tie strap provided with the adapter.
The T-connector adapter includes a tie strap for securing the black box to a mounting point. The manual does not specify other included components.
The T-connector adapter is rated for 4 amps per circuit. Do not exceed this rating when connecting trailer lights or other electrical loads.
Test the installation using a test light or by connecting an actual trailer. This verifies that the adapter is properly connected and that all taillight circuits are functioning correctly.
Before inserting the T-connector adapter, verify that the mating surfaces of the vehicle's harness connectors are free of dirt. Clean them if necessary to ensure a secure connection and prevent electrical issues.
The manual does not specify compatible vehicle makes, models, or years. Contact the manufacturer or check your vehicle's documentation to confirm fitment before purchasing.
No. The T-connector adapter inserts between the vehicle's existing taillight connectors without cutting or splicing wires.
The adapter is rated for 4 amps per circuit. Do not exceed this rating.
The manual does not specify required tools. Basic hand tools may be needed to access the taillight harness and secure the black box with the provided tie strap.
Test the installation using a test light or by connecting a trailer to confirm all taillight circuits are functioning.
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