1999 "EE" Evinrude 200, 225 V6 FFI Outboards Service Manual, P/N 787025, Page 86Get this manual
Step 5: Voltage Supply TestsThe battery must be fully charged, with all connections clean and tightAVerify emergency stop clip is in place m BCheck condition of fuses in Positions and 7INotel
Perform the following tests while problem is occurring
CVerify switched B+ is present at purplewhite wire, terminal "J", of Power Distribution Panel 14-pin connectorCheck should show either 9.5 or more volts while cranking, or 13 or more volts while running OKgo to Step No voltage or low voltage while runningtest Stop CircuitSee Step Low voltage while cranking:Verify battery capacity, condition, and connections Test voltage drop across battery cables and starter solenoid
- Test current draw of starter motorSee Section 7
DVerify output voltage to ECU at Position fuse Check for both of the following: 1Key ONEngine Not Runningabout volt less than battery Voltage2Crankingapproximately 20VResults: As specifiedVerify continuity of whitegreen wire between Power Distribution Panel and ECUIf OK, replace ECU Verify repair Less than specifiedtest start assist circuitSee Action StepFuel System