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7-Way Trailer Plug and Junction Box Options


Hi I’m looking for a 7 way cable with junction box that will match colors with my factory truck plug. 2011 Ford F-250. Thanks


Expert Reply:

We do have a pre-wired 7-way trailer plug and junction box item from etrailer, part # e99011, that includes 10-foot cord and plug that is already wired to the box. This item's wiring is configured as follows:

White (ground): 10 gauge
Black (12V power): 10 gauge
Yellow (reverse/auxiliary): 14 gauge
Red (left turn and stop): 14 gauge
Green (tail and running lights): 14 gauge
Brown (right turn and stop): 14 gauge
Blue (brake): 12 gauge

We also have separate components like junction box # 38656 and 7-way plug/cord # H20046 (8-feet) that you can combine if you prefer using ring terminals # 44-5310A and # DW05702-1.

Vehicle and trailer wiring colors can vary so it is always best to wire by function; please refer to the linked article for guidance in completing the installation.

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