Test your 7-way trailer plug with this tester from the seat of your cab. Activate each switch and the corresponding LED light on the tool will illuminate. Faulty wiring or shorts will be indicated if LEDs are dimmer than usual, fail to light, or if more than one LED lights at the same time.Move your mouse over image

7-Way Trailer Plug Tester

Part # 37A18004

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$75.48
Package Quantity: 1
Stock Status: In Stock Available to Ship Tomorrow
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Quick Overview

Test your 7-way trailer plug with this tester from the seat of your cab. Activate each switch and the corresponding LED light on the tool will illuminate. Faulty wiring or shorts will be indicated if LEDs are dimmer than usual, fail to light, or if more than one LED lights at the same time.

Product Description

Each LED on tool is labeled for function and number.

Additional Information

Part # 37A18004
Package Quantity 1
Weight (lbs) 0.2700

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