7-Way Round Pin Tractor Trailer Light Tester One-Man Testing Replace# 7865L

Why choose our 7 pin light tester?Allowing one-man testing Simplify highway troubleshootingPremium quailty, longer service lifeDiag wiring issues with both truck and trailerIncluding:A tester, A Brass jumper, A Manual

• 【Function】This 7 way light cord tester is designed for to diag wiring issues with both truck and trailer, especially if your lights fail at night, you can know where the problem is in less than 5 minutes and make timely repairs, This will help avoid opening the hood and changing a fuse in the middle of the highway.
• 【EXCELLENT PERFORMANCE】The RV 7 round pin testing is a great way to test your trailer at the 7-way socket, including left and right turn signals, hazard lights, brake lights, clearance, tail tags, and ABS.
• 【ONE MAN TESTING】The 7 way trailer testing allows one-man testing for male and female 7-way round pin tractor trailer plugs，and a winged grip for easy and quick removal. Compatible with 7 round pin trailer truck, replace 7865L.
• 【PREMIUM QUALITY】Long life-span matters, that is why our 7-way plug tester is composed of high-quality materials such as plastic, metal, and wires, which can effectively prevent corrosion and rust, greatly increase the service life. Coming with a tester, a brass jumper, a manual.
• 【24-MONTH WARRANTY】 If for any reason at all, you are not fully satisfied with this 7-pin plug tester, simply contact us through amazon message at any time. We will provide comprehensive quality assurance for our product.