Invaluable tool for diagnosing blown fuses on 12v & 24v electrical systems.
This fantastic little piece of equipment is manufactured by LITTELFUSE who are the absolute leaders in the automotive fuse world.
The device has two functions: Tester & extractor
The spring loaded contacts on this little marvel, connect to an LED circuit, simply pressing the contacts against the exposed elements of a MINI or STANDARD size automotive fuse will test the fuse in seconds.
Turn on the ignition,
Switch on the circuit that is not working
Press the fuse tester contacts up against the suspect fuse:
If the LED lights up , fuse OK.
If there is no illumination on the LED the fuse blown.
Turn the tester around use the fuse extractor (which just happens to be conveniently built in to the other end) to remove the offending fuse, replace the fuse.
No need for big bulky multi-meters, pliers, screwdrivers etc.
The fuse extractor legs also allows for the item to clipped into the vehicles fuse box for storage.
An invaluable tool for anyone!