Unbranded 4/7-Pin Electrical Testing sku-18393561765

This Unbranded 2 in 1 trailer light tester, sku-18393561765, checks 4-way and 7-way connectors on most trucks. It tests 6 light and electrical functions: taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power. Each function has a green LED indicator to help identify wiring problems. The 7-blade RV tester has an ABS plastic body that resists rust and corrosion and tin-plated copper terminals for conductivity. It needs no batteries or wiring, and its ergonomic shape makes it easier to plug in and unplug. It can test trailer light circuits on most trucks, boats, trailers, campers, caravans, food vans and other towed vehicles. Listed under Electrical Testing; UPC 741050979686.You may also like Unbranded A Electrical Testing Oscilloscope sku-16666054692.