Ark 12V Ezi-connect Boat Trailer Harness

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Complete boat trailer wiring solution with colour coded connectors for left and right-handed lamps.

Main harness suits jetski and boat trailers up to 16ft (Can be extended up to 21ft with Part No. EXBT21B). All lamps are LED and ADR approved.


  • 100% Quick Connect.
  • 100% Tool-less Installation.
  • 100% Submersible.
  • 2 x 12V LED Lamps with built-in licence plate lamp. Includes flexible licence plate holder.
  • 3 x Interchangeable Trailer Plugs


  • A. Interchangeable trailer plugs - 7 pin small, large round, and flat plugs.
  • B. Main loom plug connector.
  • C. Central front loom.
  • D. Left side loom.
  • E. Left lamp.
  • F. Right lamp.
  • G. Right side loom.

Below are three configurations using the Ezi-connect Boat Trailer Harness to facilitate your individual needs.

Part No.

  • BTH16B Sku 90220 - suits trailers up to 16'
  • BTH16B + EXBT21B Sku 90222 - suits trailers up to 21'
  • BTH16B + EXBT21B + EXM73B Sku 90224 - suits boat trailers up to 21' with markers


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