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Parts Needed To Pull A Gooseneck Trailer Behind a 2007 Kenworth T800  

Updated 10/16/2023 | Published 10/14/2023



Question:

Would your King Pin Hitch work on a Holland FW35 series 5th wheel? And if so, what wire harness do I need to use to connect to my 7 way plug on my 2007 Kenworth T800?

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Expert Reply:

I do see your Holland FW35 is designed to fit a 2" kingpin like the one used on both the 25K # KPG5-R25-IP and 30K # KPG5-R30IP coupler adapters you looked at.

For the wiring you will need to create a custom adapter. First you will need the 7-Pole Round Pin Connector # PK11702. This will need to be wired to the Tail Light Converter # HM48847 since the 7-pin connector on your Kenworth has separate wiring for the brake and turn signals and a 7-way Blade # PK12-707E combines the brake and turn signals to share the same wiring. If the trailer has electric brakes you will also need a Controller # HA100400C as well and it would be wired to the custom adapter you will need.

expert reply by:
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Bud M

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