Circuit Fault Probe Tester Car Fuse Tester Automotive Current Tester 20A 48V Automotive Test Tool Blade Checker Car Relay Fuse Checker for Current Circuit Testing (Not Include Battery). Remove the blade fuse supplied with the tester from the socket, then remove the car's fuse from the circuit and insert it into the tester's fuse socket (Maximum test value: 20A/48V).
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