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Review of TowSmart Custom Fit Vehicle Wiring - ProClass Plug In Trailer Adapter With Tester - TS89RR Video

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Info for this part was:

Employee Jonathan Y
Video Edited:
Jonathan Y
Employee Evangeline M
Installed by:
Evangeline M
Employee Andy C
Installed by:
Andy C
Employee Samuel H
Video by:
Samuel H

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Products Featured in this Video


TowSmart ProClass Plug-In Trailer Connector Adapter w Wire Tester, Ergo Grip - 4-Way Flat to 7-Blade


TowSmart Custom Fit Vehicle Wiring

5 reviews


Code: TS89RR

Retail: $27.99

Price:  $22.97
  • Custom Fit Vehicle Wiring
  • Wiring Adapters
  • Universal Fit
  • 4 Flat to 7 Blade
  • Plug Only
  • TowSmart



You've got a 4-flat on the vehicle and a 7-way on the trailer. No time to rewire. You grab this adapter, plug it in, and the built-in lights confirm the signals are live. Now you just need to load up and hit the road.


Do you have a question about part TS89RR?more information >     


TowSmart Custom Fit Vehicle Wiring - ProClass Plug In Trailer Adapter With Tester - TS89RR Review


Hi everybody, Andy here with etrailer.com. Let's take a real quick look at this TowSmart pro class plugin trailer connector adapter with wire tester. Now, this TowSmart pro class adapter is going to convert your four-way flat vehicle wiring to fit a seven-way trailer plug, and it is a plug and play solution for light duty towing. If you notice, we do have a built-in LED tester that's gonna… see more >