2004 Ski-Doo REV Series Factory Service Manual, Page 277Get this manual
Section 07 ELECTRICAL SYSTEM Subsection 03 (BATTERY)
Connect RED positive cable it to positive battery terminalConnect RED wire (coming from 30 fuse)Connect BLACK negative cable LAST
WARNING
Battery BLACK negative cable must always be disconnected first and connected last
Follow the instructions provided with the crimp pliers (PN 529 035 730) to select the proper position of the toolNOTE: Different wires require different crimp pliers settings, so make sure to follow the instruction supplied with the tool
WARNING
Never charge or boost battery while installed on vehicleCover the RED positive terminal with rubber bootApply silicone dielectric grease (PN 293 550 004) on battery posts and connectors