Forum Discussion
westend
Mar 08, 2014Explorer
You need a battery that is wired and powered up on the trailer so that the emergency brake system can operate in the event that the trailer detaches from the tow vehicle.
Ford, Chevy, and Dodge differ on the way trailer wiring is enabled. Ford has a relay that opens when the ignition circuit is off. Some GM models require the addition of a relay or fuse into the distribution box to enable the charge circuit. Dodge, I have no idea.
Ford, Chevy, and Dodge differ on the way trailer wiring is enabled. Ford has a relay that opens when the ignition circuit is off. Some GM models require the addition of a relay or fuse into the distribution box to enable the charge circuit. Dodge, I have no idea.
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