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Towing Requirements - Trailer Lights and Wiring

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Whenever you tow a trailer, regardless of its size, trailer stop lamps and turn signals are required for safety.

The towing package may include a four-pin or seven-pin wiring harness. Use the factory-approved wiring harness and connector for the trailer.

NOTE:

Do not cut or splice the wiring in the harness.

All electrical connections are complete at the vehicle, but you must connect the wiring harness to the trailer connector. See the following illustrations.

NOTE:

Disconnect the trailer wiring connector from the vehicle before launching a boat (or any other device connected to the vehicle's electrical connection) into the water.

Do not forget to reconnect after leaving the water area.

Jeep Wrangler. Towing Requirements — Trailer Lights And Wiring

Four-Pin Connector

  1. Ground
  2. Park
  3. Left Stop/Turn
  4. Right Stop/Turn
    Jeep Wrangler. Towing Requirements — Trailer Lights And Wiring

Seven-Pin Connector

  1. Battery
  2. Back-Up Lamps
  3. Right Stop/Turn
  4. Electric Brakes
  5. Ground
  6. Left Stop/Turn
  7. Running Lights

Test yourself

A quick Jeep Wrangler quiz: every answer comes with an explanation and a link to the manual page.