Trailer Wiring and Bracket w/ Light Tester For 03‑24 Chevy Express GMC Savana 1500 2500 3500 Plug & Play 4‑Flat Harness
Model: 118392 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:
2003 - 2014 Chevrolet, Express 1500, All Styles
2003 - 2024 Chevrolet, Express 2500, All Styles
2003 - 2024 Chevrolet, Express 3500, All Styles
2003 - 2014 GMC, Savana 1500, All Styles
2003 - 2024 GMC, Savana 2500, All Styles
2003 - 2024 GMC, Savana 3500, All Styles
Wiring Kit Specs:
| Part Number | 118392 |
| 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 |
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: 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
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Product Details
- Brand: Tekonsha
- Model: 118392 118144 20114
- Includes: T-One T-Connector Custom Harness, Mounting Bracket, 4-Flat Car End Tester
Compatibility Chart
| Year Range | Make | Model | Style |
|---|
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:
2003 - 2014 Chevrolet, Express 1500, All Styles
2003 - 2024 Chevrolet, Express 2500, All Styles
2003 - 2024 Chevrolet, Express 3500, All Styles
2003 - 2014 GMC, Savana 1500, All Styles
2003 - 2024 GMC, Savana 2500, All Styles
2003 - 2024 GMC, Savana 3500, All Styles
Wiring Kit Specs:
| Part Number | 118392 |
| 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 |
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: 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
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Trailer Wiring and Bracket w/ Light Tester For 03-24 Chevy Express GMC Savana 1500 2500 3500 Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118392
Wiring Access Location:
- Rear taillight wiring harness behind the interior trim panels near the doors.
Tools Required:
- Drill with a 3/32" drill bit.
- Philips head screwdriver.
Step-by-Step Instructions:
-
Access the Taillight Wiring Harness:
- Remove the rear interior trim panels located near the doors to expose the vehicle’s taillight wiring harness.
- The harness will have a connection point on both sides matching the T-Connector adapter.
-
Driver’s Side Connection:
- Disconnect the vehicle’s wiring harness connectors on the driver’s side, being careful not to damage the locking tabs.
- Plug the T-Connector end with the yellow wire between the mating plugs on the driver’s side taillight socket and the vehicle’s wiring harness. Ensure the connectors are fully inserted and locked using the existing and provided locking tabs.
-
Ground Connection:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or cross member.
- Caution: Do not drill into the vehicle floor or any exposed surfaces. Verify what is behind any surface prior to drilling to avoid damage or injury.
- Clean the area of dirt and rustproofing, drill a 3/32" hole, and secure the white wire using the provided eyelet and screw.
-
Passenger’s Side Connection:
- Repeat steps 2 and 3 on the passenger’s side using the T-Connector end with the green wire.
-
Securing the Harness:
- Tuck the green wire under the floor trim (threshold) panel and secure the wiring with cable ties as needed.
-
Reassembly:
- Replace all removed trim panels and secure the rear interior of the vehicle.
-
Testing the Installation:
- Test the installation with a test light or trailer to verify proper functionality. All connections must be complete for the T-Connector to function correctly.
Specifications:
- Max. stop/turn light: 1 per side (7.5 amps).
- Max. tail lights: (7.5 amps).
Hardware List:
- T-Connector adapter.
- Eyelet and screw.
- Cable ties.
Safety Notes:
- Overloading the circuit can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.
- Test the installation thoroughly after completing all connections.
Manufacturer Notes:
- Follow all warnings and installation instructions provided.
- Use a test light or trailer to confirm proper installation.
- Refer to the vehicle owner’s manual for additional information.
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118392
Wiring Access Location:
- Rear taillight wiring harness behind the interior trim panels near the doors.
Tools Required:
- Drill with a 3/32" drill bit
- Philips head screwdriver
Step-by-Step Instructions:
-
Access the Taillight Wiring Harness:
- Remove the rear interior trim panels located near the doors to expose the vehicle’s taillight wiring harness.
- The harness will have a connection point on both sides matching the T-Connector adapter.
-
Driver’s Side Connection:
- Disconnect the vehicle’s wiring harness connectors on the driver’s side, being careful not to damage the locking tabs.
- Plug the T-Connector end with the yellow wire between the mating plugs on the driver’s side taillight socket and the vehicle’s wiring harness.
- Ensure the connectors are fully inserted and locked using the existing and provided locking tabs.
-
Ground Connection:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or cross member.
- Caution: Do not drill into the vehicle floor or any exposed surfaces. Verify what is behind any surface prior to drilling to avoid damage or injury.
- Clean the area of dirt and rustproofing, drill a 3/32" hole, and secure the white wire using the provided eyelet and screw.
-
Passenger’s Side Connection:
- Repeat steps 2 and 3 on the passenger’s side using the T-Connector end with the green wire.
-
Securing the Harness:
- Tuck the green wire under the floor trim (threshold) panel and secure the wiring with cable ties as needed.
-
Reassembly:
- Replace all removed trim panels and secure the rear interior of the vehicle.
-
Testing the Installation:
- Test the installation with a test light or trailer to verify proper functionality.
- All connections must be complete for the T-Connector to function correctly.
Specifications:
- Max Stop/Turn Light: 7.5 amps per side
- Max Tail Lights: 7.5 amps
Hardware List:
- T-Connector adapter
- Eyelet and screw
- Cable ties
Safety Notes:
- Overloading the circuit can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.
- Test the installation thoroughly after completing all connections.
Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
Technical Support:
For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
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