Mac Tools

Mobile Universal Trailer Tester ET7900A

Reading up to 30 amps, Mac Tools’ Mobile Universal Trailer Tester, No. ET7900A, boasts eight specialized indicators, a control knob and backlit amp meter. There’s no need to bring the cab and trailer into the shop, as the tester can be wheeled to the trailer. The tester comes complete with a wireless remote, a 5’, 7-way round pin cable, a 10 ft chassis and a ground cable.

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