Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Function Selector Rotary Switch
Power to the meter is turned off.
Volts AC.
Measures AC voltage.
Ranges 400mV, 4V, 400V, 1000V.
Volts DC, RPM.
Measures DC Voltage.
Ranges 4V, 40V, 400V, 1000V.
mV.
Measures DC Millivolts.
Range: 400mV.
Continuity/Ohms.
Measures Continuity and Ohm.
Ranges: 400Ξ©,4kΞ©, 400kΞ©, 4MΞ©, 40MΞ©.
Diode Test.
Test diode operation.
Range: 3.000V.
Milliamp or Amps DC.
Measures DC Milliamps or amps.
Ranges: 40mA or 400mA for mA input 4000mA or 10 A for A input.
Milliamps or Amps AC.
Measures AC Milliamps or amps.
Ranges: 40mA or 400mA for mA input 4000mA or 10 A for A input.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.