The next step is to test your leads or cables on the meter itself. Set the meter to Ohms and connect the black and red together. You should get an Ohm reading of zero. If you don't get a reading either the meter has a blown internal fuse, or you have an open wire in one of the leads. Both should be addressed before further testing. A defective meter or worn leads can cause misdiagnosis and you to replace expensive parts that are still good. This meter needs new leads. Also, never use the Ohm setting when the battery is connected, or when power is running through the circuit.