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  1. Custom Fit Vehicle Wiring
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  3. 7 Blade to 4 Flat
  4. Universal Fit
  5. Wiring Adapters
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Roadmaster 7-Way Round to 4-Way Flat Adapter
Roadmaster

Roadmaster 7-Way Round to 4-Way Flat Adapter

Part Number: RM99DQ
In Stock
$40.94
Custom Fit Vehicle Wiring
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This adapter plugs into your 7-way round socket on one end and connects to a 4-way flat harness on the other. 1-800-940-8924 to order Roadmaster custom fit vehicle wiring part number RM99DQ or order online at etrailer.com. Free expert support on all Roadmaster products. Great prices and Fastest Shipping for Roadmaster 7-Way Round to 4-Way Flat Adapter. Custom Fit Vehicle Wiring reviews from real customers.
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Roadmaster Custom Fit Vehicle Wiring - RM99DQ

  • 7 Blade to 4 Flat
  • Universal Fit
  • Wiring Adapters
  • Plug Only
  • Roadmaster

This adapter plugs into your 7-way round socket on one end and connects to a 4-way flat harness on the other.


9338-74 Road Master Adapter for 7-Way Round Plug to 4-Way Flat Plug




California residents: click here


Video of Roadmaster 7-Way Round to 4-Way Flat Adapter

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




Video Transcript for Review of Roadmaster Custom Fit Vehicle Wiring - Wiring Adapters - RM99DQ

Hello, everybody. This is Jeff at etrailer. Today we're gonna take a look at this Roadmaster 7-way round to a 4-way flat adapter. Now, switching between trailers that have different connectors doesn't have to mean swapping cords or modifying your wiring. This adapter here will convert your 7-way round blade vehicle socket to this 4-way flat plug so that you can tow small utility boat or cargo trailers that use a basic 4-pin setup. This adapter's gonna maintain the basic lighting functions like the running lights, turn signals, and brake lights, so your trailer will stay visible and road legal.

Again, there's no splicing, soldering, or extra wiring needed. All you have to do is just plug this adapter into your existing 7-way socket and you're ready to connect your trailer's 4-way flat to this end right here. It is built for a nice quick use. Perfect for times when you need to hook up and go without any hassle. And it's a nice handy piece to keep in your glove box for whenever you need a quick connection to a different type of style of trailer.

Now, everything connects through the solid contacts that give reliable power transfer every time you plug it in. Now, if you do have any other additional questions regarding this part or any other item that we carry, please feel free to reach out to us so we can help you get all of your questions answered for you. But that should do it for a look at this Roadmaster 7-way round to 4-way flat adapter.

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Evangeline M
Installed by:
Evangeline M
Employee Wilson B
Updated by:
Wilson B
Employee Amanda K
Written by:
Amanda K
Employee Samuel H
Video by:
Samuel H

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