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Product Description: 4 Way Flat Tester Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way functions for tail light, stop/turn lights, and ground. ALT Part Numbers: AND V5411, 80-4019
Product Description: 4 Way Flat Tester Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way functions for tail light, stop/turn lights, and ground. ALT Part Numbers: AND V5411, 80-4019
