Trailer Wiring and Bracket w/ Light Tester For 05‑06 Jeep Grand Cherokee Plug & Play 4‑Flat Harness
Model: 118394 118144 20114Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
4-Flat Car End Tester w/ LED Display
Fits The Following Vehicles:
2005 - 2006 Jeep, Grand Cherokee, All StylesWiring Kit Specs:
| Part Number | 118394 |
| 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 |
| Part Number | 20114 |
| Fits | 4 Flat Connectors |
| Brand | Tow Ready |
| 4-Flat Car End Tester w/LED Display Plug these testers into any car connector and you will have an instant test of running light circuits. |
|
| Warranty | 1 Year |
Overland Limited Laredo SRT-8
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:
05 06 2005 2006
$87 39 $117.37 26% OFF
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$117.37 $87 39
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Product Details
- Brand: Tekonsha
- Model: 118394 118144 20114
- Includes: T-One T-Connector Custom Harness, Mounting Bracket, 4-Flat Car End Tester
Compatibility Chart
Description
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
4-Flat Car End Tester w/ LED Display
Fits The Following Vehicles:
2005 - 2006 Jeep, Grand Cherokee, All StylesWiring Kit Specs:
| Part Number | 118394 |
| 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 |
| Part Number | 20114 |
| Fits | 4 Flat Connectors |
| Brand | Tow Ready |
| 4-Flat Car End Tester w/LED Display Plug these testers into any car connector and you will have an instant test of running light circuits. |
|
| Warranty | 1 Year |
Overland Limited Laredo SRT-8
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:
05 06 2005 2006
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Trailer Wiring and Bracket w/ Light Tester For 05-06 Jeep Grand Cherokee Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118394
Tools Required:
- T-20 Torx® Bit and Driver
- Drill with a 3/32” Drill Bit
Step-by-Step Instructions:
-
Remove Rear Taillight Assemblies:
- Open the rear tailgate to access the screws holding the taillights in place.
- Use a T-20 Torx® bit to remove the screws.
- Carefully pry the taillight housings rearward away from the vehicle, ensuring the alignment tabs are not broken.
-
Access Wiring and Disconnect Connectors:
- Locate the black housings that match the T-Connector housings.
- Disconnect the wire harness from both taillight sockets.
- Ensure all connector surfaces are clean and free of dirt.
-
Ground the White Wire:
- Locate a suitable grounding point on the driver’s side near the connectors.
- Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
- Caution: Verify what is behind any surface before drilling to avoid damage to the vehicle or personal injury. Do not drill into exposed surfaces.
-
Install the T-Connector:
- Beginning on the driver’s side, plug the T-Connector harness containing the yellow wire between the vehicle’s mating connectors.
- Ensure the connectors are fully inserted with locking tabs secured.
-
Route the Wiring Harness:
- Route the harness containing the green wire and the 4-flat connector down through the opening behind the taillight on the driver’s side.
- Route the 4-flat harness to the center of the vehicle and the green wire under the vehicle to the passenger side.
- Bring the green wire up through the opening behind the passenger’s side taillight.
Warning:
- Avoid routing the wire near hot pipes, heat shields, the fuel tank, or any other areas that may pinch or break the wire.
-
Install the Passenger Side T-Connector:
- Repeat step 4 on the passenger’s side using the T-Connector harness containing the green wire.
-
Secure the Wiring and Black Box:
- Use the provided cable ties to secure the wiring harness.
- Mount the converter (black box) inside the driver’s side taillight pocket, below the taillight, and between the vehicle body and bumper.
-
Reinstall the Taillights:
- Reinstall both rear taillights, ensuring all connections are complete and wires are not pinched.
-
Test the Installation:
- Test the T-Connector installation with a test light or trailer to verify proper functionality.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps).
- Max. tail lights: (5.0 amps).
Safety Notes:
- Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.
- Test thoroughly after installation to ensure proper functionality.
Manufacturer Notes:
- Follow all warnings and installation instructions provided.
- Refer to the vehicle owner’s manual for additional guidance.
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