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4-Pole Trailer Wiring Harness for 2016 Toyota Highlander with Factory-Installed Tow Package  


Which harness should I get and where does it connect? Even that Toyota dealer seems stumped and Ive found no clear answer on your web site. Thanks.


Expert Reply:

For your 2016 Toyota Highlander with factory tow package the 4-pole wiring harness you can use is Curt part # 56042. This uses a square connector (shown in the linked photo) that plugs in at the rear cargo area. The connection point is located behind the driver's-side interior trim panel. The linked instructions include color photos to help you locate the mating plug.

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