The Laser Tools 77121 is a multi-functional 4-in-1 tool that streamlines the process of checking and replacing automotive fuses. Designed for the busy UK technician, it can test, remove, and install fuses, as well as check for live power at the fuse box. This tool eliminates the need for multiple devices and speeds up electrical troubleshooting. For more advanced fault finding, use the OBDII Fault Code Reader to see if electrical issues have triggered any ECU error codes.
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