6-24V Auto Probe with an integral work light to aid use in dark engine bays plus an audible circuit tester for when the LED on the probe cannot be seen

• Carry out the following tests on systems from 6V up to 24V quickly and efficiently.
• Polarity test
• Power up components prior to fitting including: - Cooling fan motors - Fuel pumps - Window/Sunroof motors - Relays and Lamps - Wiper motors
• Tests continuity in: - Switches - Diodes and Fuses - Relays - Wiring harnesses - Detect short circuits
• Locate bad earths quickly
• Fitted with a sensitive short circuit protection device. 
• Safe to use around vehicle’s electronic management systems
• Power switch self test means no need to: - Double check your circuit, tester on the vehicle’s battery - Reconnect hook-up clips to test polarity - Search for earth points - Burn out fuses locating faults