1983 Ski-Doo Shop Manual, Page 213Get this manual
SECTION 04 ELECTRICAL SUB-SECTION 04 (BATTERY)
INSTALLATION OF BATTERY
Install battery, connect positive cable (red) then negative cable (black)Coat battery posts with petroleum jelly then slide protective cap over positive postConnect battery overflow tube to outlet tube located on bottom plate_ CAUTION: Ensure that neither the positive or the negative cables touch the muffler
TROUBLE SHOOTING:
Symptom Cause Remedy
Discharged or weak battery