Tests for voltage, continuity, short circuits and bad earths. Also suitable for energizing components such as motors, relays and fuel pumps on or off the vehicle. Complete with 4.5m of cable and crocodile clips. RoHS compliant. Powers up components prior to fitting: cooling fan motors, fuel pumps, window and sunroof motors, wiper motors, relays and lamps, Tests continuity in switches, relays, diodes, fuses and wiring looms Tests polarity on cables and sockets, finds short circuit and bad earths. Powered by vehicles own 6-24volt DC power supply and complete with 4.5m cable. Fitted with sensitive trip device to prevent circuit damage. Computer safe Additional Information 6-24 Volt. Tests for voltage, continuity, short circuits and bad earths. Also suitable for energising components such as motors, relays and fuel pumps on or off the vehicle. Complete with 4.5m cable. Time saver.