Voltage measuring

— Connect digital multimeter negative lead to a reliable ground point on car.

The negative (-) battery terminal is always a good ground point.

Connect digital multimeter positive lead to point in circuit you wish to measure. If a reading is obtained, current is flowing through circuit.

The voltage reading should not deviate more than 1 volt from the voltage at the battery. If the voltage drop is more than this, check for a corroded connector or loose ground wire.

from Battery +

| Fuse box

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