1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 256Get this manual
Charging System Check Chart Where to Look Battery Cause Procedure Reference All StepsSee Pages 8-4 thru -7
1Battery defective or worn out
1Check condition and charge
2Low electrolyte level 3Terminal connections loose
or corroded 4Excessive electrical load Wiring
2Add water and recharge 3Clean and tighten
4Evaluate accessory loads
1Connections loose or
1C lean and tighten
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