OTC 3642 Truck Electrical Circuit Tester - 12V/24V, 24' Coil Cord + More

OTCs Truck Circuit Tester is designed for testing electrical circuits and locating shorts, grounds, and open circuits | For use on 12V - 24V systems | Features a 7 inch long stainless steel probe | Red coiled cord stays compact until you need more length then has the capability of stretching to a full 24 feet | Extra large clamp can be attached to larger nuts, bolts, and other grounds than a typical smaller clamp