Trailer Wiring Adapter 4 Round To 4 Flat

1 reviews

$12.95 $12.95 $12.95

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Converts 4-way round to 4-flat, fits the standard 4-way flat and plugs directly into trailer. This wiring harness can be configured to match any wiring pattern.

  • Each of the four pie-shaped terminals may be plugged into a 4-way round receptacle to match any wiring pattern
  • Easy to install

Trailer Wiring Adapter 4 Round To 4 Flat Reviews (1)

5 out of 5 stars with 1 reviews

Anonymous customer

Easy to wire trailer lights on a truck with non standard wiring

Questions & Answers (3)

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do they make a 4 way flat to a 4 way round with the pins on the round side, in other words i need the 4 pins not the 4 holes.

–Frank Moitoso 10/31/2017 4:24:07 PM

Hello, Frank! We do not offer a product of that variety. We recommend contacting your local U-Haul Hitch Center to review your options. Thank you!

–Savannah 11/27/2017 10:28:21 AM

hi there i just rent one of your sierra truck last week and i notice that you guys use 4 way flat. Now my trailer use a 7 way flat round what kind of adapter can i use for my next rental ???thank

–francesco sorrentino 9/17/2017 5:26:57 AM

Hello, Francesco! Please use U-Haul 7-way Adapter(part number 13321). This part can be purchased online or at your local U-Haul Center. I hope that is helpful!

–Savannah 9/27/2017 10:40:52 AM

Only the left side lights up when plugged in but the right side works when signaling and applying brakes other wise it's dark How to fix?

–Mark Gilreath 6/22/2014 2:01:46 AM

"You may have the adapter terminals placed in a configuration that does not match your vehicles 4-way round connector. Please visit your local U-Haul center, the U-Haul hitch professional can quickly identify and fix your adapter or trailer lighting issue."

–Ronald 6/24/2014 7:41:31 AM

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