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How Do You Connect a 7-Way Connector Adapter to Trailer Wiring Harness 118653  


To connect this to a 7 way adapter Curt Wiring - C57672 what needs to be done to allow the electric brake controller to operate i am using the echo bluetooth brake contoller.


Expert Reply:

You can use Curt # C57672 to install a wireless Curt Echo # C51180 trailer brake controller to your 4-pole wiring setup. I recommend using the 7-Way RV Upgrade Kit for Trailer Brake Controller Installation # ETBC7L, because it comes with a similar 4-Way to 7-Way adapter but also all the wiring needed to run to your battery.

Since you will be using a wireless smartphone-controlled brake controller you will not need to run a blue brake output wire. All you'll need to do is provide a 12V power connection to the adapter from the vehicle's battery.

To install and use the Echo all you need to do is plug the 4-pole into the adapter, run one single wire from the adapter's black pigtail to the battery, where you'll connect it to the battery via the included circuit breaker and then ground the white wire. Then pair your phone to the Echo and plug in the trailer 7-way to the Echo.

I have included a link to an installation video for you to see how you can connect to the battery.

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