Bombardier SeaDoo 2000 factory shop manual volume 2, Page 231Get this manual
Section 09 ELECTRICAL SYSTEM Subsection 03 (CHARGING SYSTEM)
BATTERY
Troubleshooting
SYMPTOM: DISCHARGED OR WEAK BATTERY CAUSE 1Battery posts and or cable terminal oxidized2Loose or bad connections3Faulty battery (sulfated, doesn't keep full charge, damaged casing, loose post)415 amp fuse(s) burnt or faulty rectifier5Faulty battery charging coil (or stator)REMEDY Clean and coat with dielectric greaseCheck wiring and connector cleanliness, damaged or short circuitReplace
All Models 1Disconnect the BLACK negative cable first2Disconnect the RED positive cable last3Remove the vent line from the battery4Remove the holding strap5Withdraw battery from watercraft being careful not lean it so that electrolyte flows out of vent elbow
WARNING
Electrolyte is poisonous and dangerousAvoid contact with eyes, skin and clothingWear suitable pair of non-absorbent gloves when removing the battery by handCAUTION: Should any electrolyte spillage occur, immediately wash off with solution of baking soda and water
First check fuseIf it is in good condition, check rectifierregulatorReplace