1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 84Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 84

CHARGING AND STARTING SYSTEM
Emergency Stop Switch (Lanyard Type)
IMPORTANT: Refer to Section 2D-Wiring Diagrams for wiring connections1Disconnect emergency stop switch leads from engine wiring2Use an ohmmeter and perform the following tests"OFF"
CONTINUITY (1 Ohm or Less)

NO CONTINUITY ()

3If meter readings are other than specified, replace emergency stop switch