Portable Trailer Light Tester, No. 838

Feb. 7, 2017

The Thexton Portable Trailer Light Tester, No. 838, utilizes alligator clips that allow it to be used with any power source. This lightweight, handheld 12V tester features an 8-amp breaker, and assists with testing left- and right-turn signals, taillights, reverse lights, electric brakes and auxilliary when combined with the Thexton No. 839 seven-blade to four-flat adapter. 

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