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marcarolle's avatar
marcarolle
Explorer
Jun 22, 2016

Trailer brakes not working with 2016 F150 brake controller

I admit... it's a long subject. We bought a new 2016 F-150. Dealer installed the Ford brake controller at factory settings. I'm trying to adjust the settings, as shown to me by salesperson (who ...
APT's avatar
APT
Explorer
Jun 23, 2016
Simple test to know if the trailer brakes are working at all - drive on an empty road, or larger parking lot. Manually pull trailer the brake lever without stepping on the brake pedal. It should slow down somewhat.

I suspect it is those relays, though. If you find that bag, it should contain directions on where to install them.

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