Honda BF9.9A-BF15A Outboard Motors Shop Manual., Page 54Get this manual
HONDA bINSPECTION FUSEFUSE HOLDER
Check the single unit of the fuse for continuityInstall the fuse on the fuse holder and check the holder for continuity
O PRESSURE SWITCH
Attach the tester leads to the terminal joint and switch body and check for continuityThere should be no continuity
Measure the resistance between each terminalReplace the regulatorfrectifier the measurement is out of the specification listed in the table belowNOTE
The regulatorrectifier is fully transistorizedFor accurate testing, it necessary to use specified testerUse of an improper tester or measurements in improper range may give false readingsUse the tester belowSP-15D No07308-0020000 or SANWA KE-32-3 NO0741 1-0020000 KOWA Range: SP-15D KE-32-3