Hi, Dave! 10-12 gauge is recommended. Thanks for asking!
Questions & Answers (13)
Hello, Hayley! This wiring connector 47185 will convert your 4-flat to a 7-way trailer wiring harness. This part also includes mounting bracket and hardware. I hope that is helpful!
Hi, Tim! Unless you are using it for a brake control, you would not need to run another power wire. I hope that is helpful!
Hi, Kim! You will need additional parts and wiring for electric brake functions. Please visit or contact your local U-Haul Hitch Center for parts and pricing. Thank you!
Hi, Ray! The U-Haul warranty for this product is 30 days. For an additional $10, a 2-year warranty can be purchased if installed by U-Haul. Please contact your local U-Haul Hitch Center for more information. Thank you!
Hello, Martinha! Yes, this connector does work with a 2013 Jeep Wrangler. Please also use the Jeep Wrangler 4-flat plug and play part CQT118416. Thank you!
Hello, Sharjeel! This connector will work with any vehicle equipped with a 4-flat trailer harness. Thanks for asking!
Hey, Glenn! Yes, your local U-Haul Hitch Center can install this connector for you. Please contact the location of your choice directly to schedule an installation. Thank you!
Hi, Ruby! Grease and tape unused connectors to prevent corrosion. Thank you!
Hi Damion, we can definitely install this for you. Simply find a location near you and give them a call!
After installing the mounting bracket to your desired location, simply plug the 47185 4-flat connector to the vehicles pre-wired 4-flat connector. Ground the 47185 white wire to a clean surface on the vehicles frame. These simple steps will power your trailer turn signals, brake lights and running lights.
You will then be left with 3 wires to attach if applicable:
• Black wire - When properly installed the black wire charges the 12 volt trailer battery.
• Blue wire - When properly installed the blue wire powers the trailers electric brakes.
• Purple wire - The purple wire is typically attached to the vehicles reverse light for releasing a boat trailers lockout brakes.
For more information, please see the instruction sheet by clicking on the PDF at the top of this page labeled 'Installation Instructions' or visit your local U-Haul hitch center. Thank you!
Our hitch expert says "U-Haul sells and installs complete tow packages for your 2001 Mercedes ML 320 including the 47185 and the required trailer light power module part 14493". Thank you.
The UHaul hitch pros write: "The purple wire on part 47185 is most commonly attached to the vehicles reverse light."