1990 Johnson Evinrude "ES" Cross V 88 thru 115, 150 thru 175, P/N 507874, Page 289Get this manual
Charging System Check Chart Where to Look Battery Cause 1Battery defective or worn out Procedure 1Check condition and charge Reference All Steps See Pages -4 thru -7
2Low electrolyte level
2Add water and recharge
3Terminal connections loose
or corroded
3Clean and tighten
4Evaluate accessory loads
1Clean and tighten
4Excessive electrical load
Wiring 1Connections loose or corroded 2Stator leads shorted or grounded 3Circuit wiring grounded 1Damaged stator windings