3) Refer to operation D.IE 511-00 a or D.JE 511-00 or DJ. IE 511-00 or DX.IE 511-00 for identification of the various leads. 4) Remedy any faults as they are discovered before continuing the check. 5) Check the continuity of the leads by the use of the ohmmeter (- indicates that the circuit is broken, 0 indicates that the circuit is correct)