Towing Wire Harness. Towing Wire Harnesses and Adapters.

Part Number: PT21948111WH
Supersession(s): PT219-48111-WH; PT21948871

Power up! This Genuine Toyota towing wire harness features a 4-pin flat connector located alongside the trailer hitch to power your trailer’s taillights, turn signals and brake lights. It’s specifically designed to work with your Highlander’s existing electrical system. Converter assembly, fusing, cables and connectors are included.

Fits Highlander

  • TYPE: Four Flat

Before towing, confirm your vehicle and trailer are compatible, hooked up and loaded properly and that you have any necessary additional equipment.  Do not exceed any Weight Ratings and follow all instructions in your Owner's Manual. The maximum you can tow depends on the total weight of any cargo, occupants and available equipment.

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Additional dealer discounts may apply.