®CP9087TMPROFESSIONALPULSE9V BATTERY TEST: 1) SET RANGE TO HIGH.2) SET FUNCTION TO OHMS. 3) DISCONNECT ALL LEADS.O.K. IF TOPMOST TEST LIGHT IS ON. WEAK IF ANOTHER LIGHT IS ON.RANGEFUNCTIONIGNITION MODULE &ENGINE SENSOR TESTERTESTRICHLEANSelectLOW,VOLTSHIGHLOWPOWER OFFVOLTSOHMSFREQUENCYSIGNAL COMMON TRIGGER POWER 9V