GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Optra - Mexico 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Measuring Voltage Drop

The following procedure determines the difference in voltage potential between 2 points.


Object Number: 61704 Size: SH
  1. Set the rotary dial of the DMM to the V (DC) position.
  2. Connect the positive lead of the DMM to one point of the circuit to be tested.
  3. Connect the negative lead of the DMM to the other point of the circuit.
  4. Operate the circuit.
  5. The DMM displays the difference in voltage between the 2 points.