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What could be the issue with the trailer brakes on a 2017 Ford F350 not functioning as expected?
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3 answers
★ Top Answer
If you're having trouble with the trailer brakes on your 2017 Ford F-350 not functioning properly, start by checking the 30 amp fuses located in the 27th and 37th positions in the fuse panel under the hood of the engine compartment. Then, verify that you have 12 volts of power at the back pin. If not, there may be a wiring problem. Make sure to pay attention to the blue wire responsible for braking and resolve this issue before towing anything with the trailer.
More answers
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You need to determine a few key details: in our Ford vehicles, the blue wire is for braking while the white wire is used for the rim. First, examine the trailer connector located under the rear bumper by testing the pin voltage of the blue wire while someone else applies the brakes. Secondly, verify the consistency of this setup to ensure it functions properly. Finally, inspect the power supply going into the controller under the dashboard to confirm that when the brake pedal is pressed, the blue wire from the controller carries voltage.
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I've examined my fuses, and it appears that there is no socket for One in slot 37. What do I need to add to make it work?
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