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TowSmart ProClass Plug-In Trailer Connector Adapter Review - Quick & Easy Connection Video

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Employee Jonathan Y
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Jonathan Y
Employee Evangeline M
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Evangeline M
Employee Andy C
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Employee 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:  $22.69
  • 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 ProClass Plug-In Trailer Connector Adapter Review - Quick & Easy Connection


Hi everyone, I'm Evangeline right here at Etrailer. Today we're taking a look at the TowSmart Pro Class seven-way to four-way trailer connector. This is something that you can use when you have a seven-blade port on your towing vehicle, but a four-way harness on your trailer. This is gonna have some extra features though compared to your regular adapter, where you also have an LED tester… see more >