The following procedure measures the voltage at a selected point in a circuit.

•   Disconnect the electrical harness connector for the circuit being tested, if necessary.

•   Enable the circuit and/or system being tested. Use the following methods:

•  Turn ON the ignition, with the engine OFF.

•  Turn ON the engine.

•  Turn ON the circuit and/or system with a scan tool in Output Controls.

•  Turn ON the switch for the circuit and/or system being tested.

•  Select the V (AC) or V (DC) position on the meter.

•  Connect the positive lead of the
DMM to the point of the circuit to be tested.

•  Connect the negative lead of the DMM to a good ground.

•  The meter displays the voltage measured at that point.
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How To Measure Voltage