2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 137Get this manual
ELECTRICAL AND IGNITION ELECTRIC STARTER TESTS STEP Apply B+ to terminal "A" of solenoid and ground (NEG) to terminal "B" of solenoidMeasure resistance between the starter positive (+) cable terminal and the positive battery (+) cable terminal The solenoid must close with an audible click Ohmmeter must show continuity (low reading) If ohmmeter shows no continuity (high reading), replace the solenoidAfter re-installing the solenoid, coat all wires and terminals with Black Neoprene DipUse an inductive ammeter or connect to 100 amp ammeter in series with heavy jumper between the battery positive (+) terminal and the starter positive (+) terminalFluke model 334 or 336, Snap-On model MT110 or EETA501, and various other ammeters should be available through local tool suppliersAttach or hold vibration tachometer, such as Frahm Reed tachometer, to the starterTYPICAL 002292 24083