Bombardier SeaDoo 1990 factory shop manual, Page 122Get this manual
Sub-section 5
Section 07 ELECTRICAL (CDISYSTEMS)
IIGNITIONTYPE
ENGINE TYPE
TEST WIRE HARNESS
Vehicle Wiring
a) Connect the test wire harness to the tester aligning the arrow marks
Breakerless magneto
Ignition coil Push to disconnect
Ignition module
Test Wire Harness Linked with Vehicle Wiring
Connect
To CDI checker