GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 2009 🢒 Antara 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Testing for a Short to Voltage

Caution: Refer to Test Probe Caution in the Preface section.

The following procedure tests for a short to voltage in a circuit.

  1. Set the rotary dial of the DMM to the V (DC) position.
  2. Connect the positive lead of the DMM to one end of the circuit to be tested.
  3. Connect the negative lead of the DMM to a good ground.
  4. Turn ON the ignition and operate all accessories.
  5. If the voltage measured is greater than 1 volt, there is a short to voltage in the circuit.