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LED 4 Pole Trailer Connector Tester

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 Product Description

LED 4 Pole Trailer Connector Tester

Handy tester for all 4 pole flat "boat plug" connectors.

Plugs into female connector on tow vehicle and bright LED's glow when circuit is functioning correctly.

Wired to SAE standards for 4 pole connectors.

Confirms and analyzes tail light, turn signal and ground connections.

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