Close-Up View of Tester

4-Way Trailer Light Tester

$2.99
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SKU:
4WTLT
Availability:
In Stock
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  • Fits four-way flat trailer plugs.
  • Test left, right, tail, and brake lights for proper function.
  • Male and female brass connectors.
  • Small size is easy for storage.

Also available: 7-Way Trailer Light Tester SKU 7WTLT