Bombardier SeaDoo 1990 factory shop manual, Page 113Get this manual
Section 07 ELECTRICAL Sub-Section 05 (CD!CHARGING SYSTEMS)
Engine Speed Limiter
I has three functions- Keeps high voltage away from tether cord switchProvides engine stop by connlecting YELLOW BLACK wire with BROWN wire (ground1
CAUTION :Whenever replacing component in ignition system, check ignition timing
The first three items can be checked with known automotive equipment and other items as follows
Limits engine RPM to prevent over-reving,
Engine StopTether Cord Switches Verification
Engine Stop Switch
Disconnect the BLACK and GREY wires in the electrical box Using an ohmmeter, connect test probes to switch BLACK and GREY wiresMeasure resistance, it must be close to zero ohm in its operating position and an open circuit when depressed
Tether Cord Switch
Disconnect the PURPLE and RED wires in the electrical boxUsing an ohmmeter, connect test probes to switch PURPLE and RED wiresMeasure resistance, it must be close to zero ohm when cap is over switch and an open circuit when removed