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  1. Custom Fit Vehicle Wiring
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  3. 4 Flat
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  6. Vehicle End Connector
TowSmart Tail Light Converter w/ 4-Way Flat Trailer Connection - Vehicle End
TowSmart

TowSmart Tail Light Converter w/ 4-Way Flat Trailer Connection - Vehicle End

Part Number: TS99RR
In Stock
$25.00
Retail:$29.99
You Save: 17%
Custom Fit Vehicle Wiring
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Your trailer needs a 4-way, but your vehicle runs separate turn and brake signals. You wire it up anyway and the lights don't work. This converter fixes it. It handles the signal translation, so your trailer lights work every time. 1-800-940-8924 to order TowSmart custom fit vehicle wiring part number TS99RR or order online at etrailer.com. Free expert support on all TowSmart products. Great prices and Fastest Shipping for TowSmart Tail Light Converter w/ 4-Way Flat Trailer Connection - Vehicle End. Custom Fit Vehicle Wiring reviews from real customers.
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TowSmart Custom Fit Vehicle Wiring - TS99RR

  • 4 Flat
  • Universal Fit
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • TowSmart
  • Plug Only
  • Converter

Your trailer needs a 4-way, but your vehicle runs separate turn and brake signals. You wire it up anyway and the lights don't work. This converter fixes it. It handles the signal translation, so your trailer lights work every time.


Highlights

  • Signal Converter: Merges separate turn and brake signals for 4-flat trailer wiring.
  • Standard 4-Way Flat Plug: Connects directly to trailer-side wiring.
  • Color-Coded Leads: Makes install easier with matched wiring functions.
  • 12" Pigtail Lead: Offers flexibility for routing and splicing.
  • Sealed Housing: Helps protect converter from moisture and grime.

Features to know about

Merges Signals for a Clean 4-Flat Connection

This tail light converter lets you tow a trailer with a 4-way flat plug even if your vehicle uses separate turn and brake light circuits. It combines the signals internally and sends them through a single plug. The color-coded wires simplify installation, and the 12" lead gives you room to make clean connections. Great for small trailers or utility setups.

Specs

Function:

  • Converts: 3-wire vehicle system to 2-wire trailer system

Connector Type:

  • Type: 4-way flat (vehicle end)

Pigtail Length:

  • 12"

Construction:

  • Housing: Sealed plastic converter box
  • Wiring: Color-coded blunt-cut leads

Warranty:

  • 1-Year limited


2525 Tow Smart Vehicle Wiring Harness with Vehicle End 4-Pole Connector and Converter




California residents: click here


Video of TowSmart Tail Light Converter w/ 4-Way Flat Trailer Connection - Vehicle End

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




Video Transcript for Review of TowSmart Custom Fit Vehicle Wiring - Trailer Hitch Wiring - TS99RR

Hi, everyone. Steven here with etrailer.com. Let's take a look at our TowSmart taillight converter. With a four-way flat trailer connection, this is gonna be the vehicle side of the installation. So folks, a signal converter does just what you think it would do. It converts or merges separate turn and brake signals for a four flat trailer wiring.

So you have the four flat, four pole whenever it's all said and done. You have a nice, yellow dust cover, a nice length of wires, and then this is the actual converter itself, and they are molded in here, right turn brake, left turn, tail marker ground. Then over here, you have ground tail marker left turn, right turn. So again, it's combined two of those signals and put 'em into one. So mainly a three-wire vehicle system to a two-wire trailer system is what that's technically called.

And it's a 12-inch lead as far as the wires and everything on the pigtail length itself, but then overall, you have a lot more length of wire. It's a plastic, sealed converter box. And again, everything is color-coded and you just have cut, blunt ends. They're not stripped back or anything. You have a nice ground wire here and everything.

So again, it's ready to go outta the box. It's gonna protect your converter from moisture and grime being in that heavy duty plastic. Folks, that is gonna wrap it up for our quick look together. If you have questions about this product or how to install it, reach out to us or look at the product information on the page below as well. You can always comment on our videos and we can get back to you as well.

I'm Steven. Thanks for watching.

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


Info for this part was:

Employee Steven C
Installed by:
Steven C
Employee Mary K
Edited by:
Mary K
Employee Daron K
Updated by:
Daron K
Employee Kim H
Updated by:
Kim H
Employee Sabrina W
Written by:
Sabrina W

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