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Fifth Wheel and Gooseneck Wiring Harness Installation - 2012 Ford F-350

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How to Install a Fifth Wheel and Gooseneck Wiring Harness on a 2012 Ford F-350


Today on our 2012 Ford F-350, well be installing the Pollak 5th Wheel Gooseneck T-Connector 7-Pole, part number PK11893-11932. Now to begin our installation, at the factory 7-pole, well need to unplug the connector. Well push the gray lock tab back and remove it from the factory 7-pole. Well take the T-connector from the Pollak Gooseneck Harness and plug one side into the connector and the other into the factory 7-pole. With those connections made, well route the wire up through the drivers side rear of the bed where well mount our bed 7-pole. We can then move up into the bed of the truck where well find a suitable location here on the drivers side rear of the bed, and after finding that suitable location, well use a center punch to start a hole.

We can then drill a 1/4-inch pilot hole and using a 2-inch hole saw, well cut a hole on the inside wall of our bed. With our 2-inch hole cut, well bring the wiring harness up to our hole here in the bed. Well make our wire connections, placing the red wire which would be the left turn brake signal in the number one slot, placing the white wire which would be our ground in the number two slot, placing our blue wire which would be our electric brakes in the number three spot, placing our green wire which would be our right turn brake signal in the number four spot, placing our yellow wire which would be the reverse signal in the number seven spot. Well place the black wire into the number five spot and the brown wire which would be our tail lights in the number six spot. After connecting the wires to the connector, well put the blue insert in which will hold the wires in place.

And with that done, we can plug it in to our new 7-pole. Well then backfeed the wires through the hole on this side of the bed and using self-tapping screws, we can secure our new 7-pole to the side of our bed. We can then move back underneath the truck where well secure our wire, which will complete our installation of the Pollak 5th Wheel Gooseneck T-Connector with 7-pole, part number PK11893-11932, on our 2012 Ford F-350.


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