: Ensure you are using the correct fuse replacements (typically 10A/250V) to prevent damage to the unit or vehicle electronics.
: Replace the 9V battery and check for secure connections. Mac Tools Et 130 Manual
: Inspect test leads for fraying or broken wires. : Ensure you are using the correct fuse
: Check the internal fuse; blown fuses are common if the red lead was incorrectly placed in the 10A port during a voltage check. Mac Tools Et 130 Manual
: Wipe the exterior with a clean, dry, lint-free cloth. Do not use solvents or abrasive cleaners [ 0.5.1 ].
Set dial to the . The meter will beep if a continuous path exists (0 ohms). Resistance
: Ensure you are using the correct fuse replacements (typically 10A/250V) to prevent damage to the unit or vehicle electronics.
: Replace the 9V battery and check for secure connections.
: Inspect test leads for fraying or broken wires.
: Check the internal fuse; blown fuses are common if the red lead was incorrectly placed in the 10A port during a voltage check.
: Wipe the exterior with a clean, dry, lint-free cloth. Do not use solvents or abrasive cleaners [ 0.5.1 ].
Set dial to the . The meter will beep if a continuous path exists (0 ohms). Resistance