1982 Ski-Doo Shop Manual, Page 301Get this manual
SECTION 04 ELECTRICAL SUB-SECTION 07 (TESTING PROCEDURE)
FUSE REPLACEMENT
If no LED lights, check fuse provided in checker a) Unscrew the capb) Replace the fuse with new one (1 amps Midget glass tube type, (J 6.4 30 mm) if necessaryCap