What are the methods for detecting car electrical leakage?
1 Answers
Methods for checking car electrical leakage: Observe the color of the battery observation hole to check if the battery's appearance is intact and whether there is any leakage. Measure voltage and power generation: Use a multimeter to measure the battery voltage and power generation to see if they are normal. The normal voltage should be above 12 volts, and it should not drop below 10 volts after continuous discharge for 10 seconds. Observe the ammeter reading: Remove the negative terminal of the battery, set the multimeter to the current measurement mode, connect the red probe to the battery's negative terminal wire, and the black probe to the negative terminal post. Observe the ammeter reading and compare the measured current value with maintenance data to see if it is within the normal range. If the measured current value is too high, it indicates an electrical leakage fault in the car. Check relays and fuses: Turn off all electrical devices in the car, ensure the doors and trunk are locked, disconnect the negative terminal of the battery, wait for 20 minutes, then connect one end of a test light to the battery's negative wire and the other end to the battery's negative post. If the light turns on, it means the electrical devices and circuits are still leaking. In this case, check the relays and fuses.
