How do you read flash codes for 1993 geo storm?

To read flash codes for a 1993 Geo Storm, first, locate the Diagnostic Connector under the dashboard near the driver's side. Use a jumper wire to connect terminals A and B of the connector. Turn the ignition to the "On" position without starting the engine; the check engine light will begin to flash. Count the flashes to interpret the codes—each sequence of flashes corresponds to a specific trouble code as detailed in the vehicle's service manual.