1983 Ski-Doo Shop Manual, Page 93Get this manual
SECTION 02 ENGINE SUB-SECTION 05 (503 ENGINE TYPE)
Remove screws (use Phillips no2 or suitable flat screw driver) Cut the four wires as close as possible to the coil body To pass new coil wires in harness, tape the old wires to the end of new wires and pull them through the harness protector tube Insert the new wires into the old connector housing and install connectors
To replace lighting coil:
Heat the armature plate around the screw holes to break the Loctite bond (200F)
Protect harness from flame Heat
Insert new wires ==::::-t
CAUTION: Protect harness from flame
_ CAUTION: Replace the old wires in the connector with the same color coded new wiresInstall new receptacle connector to the blackyel low striped wire To install the ground connector of the armature plate, tape the new black lead to the old one and pull it under the lighting coil with the old wire Solder an eye connector to the lead and fasten it under the wire retaining clip