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Recommended Simplest Conversion for Trailer 4-Way Flat to 5-Way for Surge Brake Lockout & Jeep 7-Way

Question:

4 Pin with trailer surge brakes I am getting ready to put a class 3 Curt on my 2015 Grand Cherokee. It is already wired with the 7 pin OEM, so I ordered the 7 to 4 pin flat adapter. My trailer has surge brakes and the 4 flat pin connector. What do I need, for the simplest install, to get the surge brakes to not lock in reverse. Ive found the articles on the bleeding solenoid, but what exactly do I need with my set up to make this work? I am hoping I do not have to re-wire and splice, just plug and go. Thanks.

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Expert Reply:

For your 2015 Jeep Grand Cherokee, the 7-way trailer connector is already a huge help. I recommend simply using the 7-Way to 5-Way/4-Way Trailer Adapter # 707250 or the # 707250. This will give you the 5-way that includes the reverse function to allow you to add the solenoid lockout to your surge coupler.

Using a Reverse Lockout Solenoid for Demco Hydraulic Brake Actuators - Non-Bypass # DM11993 or the Titan # T4748800 will allow you to backup without the braking pressure to your trailer brake assemblies. One wire goes to ground on your trailer and the other goes to the reverse light circuit. Then you can connect that solenoid wire to the additional pin on the Hopkins Endurance 5-Way Flat Trailer Connector - Trailer End # HM47910. You can use the Deka Heat Shrink Butt Connector - 22-18 Gauge - Nylon Insulation - Red - Qty 10 # DW05743-10 for this simple connection and I've attached a video to assist.

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