Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 97Get this manual
Problem
Possible Cause
Test ProcedureRemedy
2Battery defectiveTest batterySee Battery Testing Procedure, Section 4If battery checks good proceed with possible cause #3Test boat wiring for short or damagePerform Test #1 If wiring is not the problem, proceed with possible cause #4
3Boat wiring defective4Insufficient voltage produced to charge battery
4A Electrical system overloaded with too many electrical accessories Perform Test #2 If accessory amperge draw is less than amps, proceed to #4B4BGenerating system producing insufficient currentPerform Test #3 If stator output is goodproceed with possible cause #5
5Regulator-Rectifier defective6Circuit breaker defective7Running engine at low speed (below stator cut-in RPM -
Test regulator-rectifierPerform Test #4Test circuit breaker for continuityPerform Test #5 Turn off accessories and run engine at high speed or charge battery manually
Problem
Possible Cause
Test ProcedureRemedy