7-Way Trailer Light Tester

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  • Easy and quick to test trailer circuits on most trucks.
  • Heavy duty nylon housing.
  • Bright LED indicator lights.
  • Tests 6 separate trailer light functions:
  1. left turn
  2. right turn
  3. tail
  4. back-up
  5. brake
  6. 12V

Also available: 4-Way Trailer Light Tester SKU 4WTLT