Confirm the function of your vehicle's trailer wiring harness with a connector tester for turn signals, electric trailer brakes and other auxiliary power.
Comes with 6 LED indicators. Clear labeling of each LED indicator enables you to identify the circuits that are under normal or faulty working conditions.
Special design with latch to ensure safe and strong grip when plugging in or unplugging trailer wiring.
Easy to use. Simply plug the tester into the tow vehicle, and check the LED indicators.
The housing of this tow wiring tester is made from durable plastic and metal that will not rust.
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