2002 Ski-Doo Shop Manual Volume Three, Page 263Get this manual
Section 06 ELECTRICAL Subsection 04 (BATTERY)
For service application and permanent installation, both ammeter and rheostat can be built into small box adjacent to your chargerCAUTION: Adequate ventilation MUST be provided to cool the rheostat
INSTALLATION OF BATTERY
All Models Connect RED positive cable it to positive battery terminalConnect RED wire (coming from 30 fuse)Connect BLACK negative cable LAST