For Parts Only Only Works sometimes The SNAP-ON TOOLS 6v & 12v CIRCUIT TESTER Model CT4F is a high-quality diagnostic service tool designed for passenger vehicles. Made by the reputable brand Snap-on in the United States, this circuit tester includes probes for continuity testing. While it may not work consistently, this product is a reliable tool for troubleshooting electrical issues in vehicles, making it a valuable addition to any automotive technician's arsenal.
