Product details:
The 4 Master Combo Kit combines the 4, PPECT3000 and various accessories to provide the ultimate combination of diagnostic and circuit-testing capabilities. The 4 provides simplified testing of Motors, Lights, Relays, and Sensors, and even Fuel Injectors. Also, like all circuit-testers, it supplies Power and Ground for functional component testing on or off the vehicle. The PPECT3000 will help you trace short and open circuits quickly and accurately.