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  1. Custom Fit Vehicle Wiring
  2. CURT
  3. 4 Flat
  4. No Tow Package
  5. Trailer Hitch Wiring
  6. Vehicle End Connector
THIS ITEM IS NOT A FIT FOR
2003 Freightliner Sprinter
CURT

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Part Number: C79DQ
In Stock
$20.86
Retail:$26.95
You Save: 23%
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2003 Freightliner Sprinter

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Easily add a 4-way trailer connector with this custom-fit harness. The T-connector plugs into existing wiring - no cutting needed. 1-800-940-8924 to order CURT custom fit vehicle wiring part number C79DQ or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.
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  • Reviews (1)
  • Q & A (0)
  • Videos (1)
  • Photos

CURT Custom Fit Vehicle Wiring - C79DQ

  • 4 Flat
  • No Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • CURT
  • Plug and Lead
  • No Converter

Easily add a 4-way trailer connector with this custom-fit harness. The T-connector plugs into existing wiring - no cutting needed.


Highlights

  • Custom-Fit For Easy Installation: Plugs directly into existing vehicle wiring, no cutting needed.
  • Powers Essential Trailer Lights: Supports brake lights, turn signals, and running lights.
  • Fully Insulated Wiring: Reduces risk of shorts and interference with other electronics.
  • Weather-Resistant Construction: Protective sleeve and sealed connections prevent corrosion.

Features to Know About

Straightforward Installation, But Plan for Access

The vehicle's wiring harness is often behind a trim panel or under the cargo floor. Some vehicles may require removing interior panels or lifting carpeted sections to reach it, but once accessed, the harness installs easily with the included connectors.

No Cutting or Splicing Needed: Custom-Fit T-Connector

Plugging in a trailer shouldn't mean tearing into your vehicle's wiring. This custom-fit T-connector snaps directly into your factory wiring harness, so you can get your trailer lights up and running without any cutting or splicing. Just plug it in, and you're ready to tow.

Reliable Trailer Lighting for Every Trip: Powers Brake, Turn, and Running Lights

A well-lit trailer is a safe trailer. This 4-way wiring harness keeps your trailer's brake lights, turn signals, and running lights powered and in sync with your vehicle. Whether you're hauling a boat to the lake or a camper to the mountains, your lights stay bright and visible.

Keep Wires in Check: Fully Insulated and Weather-Resistant

Towing means exposing your wiring to dirt, rain, and road grime. This harness features fully insulated wires and a sealed converter, helping to prevent shorts and corrosion. It's built to withstand the elements so you can tow with confidence in any weather.

Specs

Maximum amperage:

  • Stop/turn lights: 7.5 amps per circuit
  • Tail lights: 7.5 amps per circuit

Warranty:

  • 1-Year limited warranty


56541 CURT T-Connector Vehicle Wiring Harness with 4 Pole Trailer Connector

Installation Details C79DQ Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Video of Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of CURT Custom Fit Vehicle Wiring - T Connector Vehicle Wiring Harness 4-Pole Flat - C79DQ

Hi everybody. Andy here with etrailer. Let's take a quick look at this Curt T-connector vehicle wiring harness with 4-pole flat trailer connector. Now, this harness has been designed to fit your 2020 and newer Buick Encore GX and then your 2021 and newer Chevrolet Trailblazer. On custom-fit parts such as this harness, it is recommended to use our vehicle fit guide here at etrailer. Just pop in the year, make, and model of your vehicle, and then our fit guide will confirm if this will work for you or if we have something comparable that will work for you.

So hooking up your trailer lights shouldn't be a hassle. With this custom-fit wiring harness, installation's gonna be really simple. You're just gonna plug it into your vehicle's existing wiring and then you're gonna be good to go. No cutting, splicing, or guesswork needed. And so this harness is made specifically for your vehicle.

It plugs right into that factory connection point. You might need to lift a trim panel or carpeted section to reach the wiring, but once you do, everything's going to click neatly into place using the included connector. So the trailer's brake lights, turn signals, and running lights will stay bright and in sync with your vehicle. Whether you're towing gear for work or heading out for a weekend trip, you're gonna have clear, dependable lighting every time. The fully insulated wires and sealed connections are gonna keep moisture and grime out, reducing the risk of shorts or corrosion.

So rain or shine, your wiring is gonna be ready to go. It does include this tethered cap here for that plug that you can use to keep that plug clean when it's not in use. Instructions are also included to guide you through the installation process. If you happen to have any other questions, whether it's about this harness or anything else that we carry here, don't hesitate to reach out. We wanna make sure that you're getting exactly what you need.

Well, again, my name is Andy. Thank you for joining me.

Ratings & Reviews

5.0

1 reviews
Easily add a 4-way trailer connector with this custom-fit harness. The T-connector plugs into existing wiring - no cutting needed.

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See what our Experts say about this CURT Custom Fit Vehicle Wiring


Info for this part was:

Employee Wilson B
Updated by:
Wilson B
Employee Katherine B
Edited by:
Katherine B
Employee Andy C
Installed by:
Andy C
Employee Sabrina W
Written by:
Sabrina W

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