1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 148Get this manual

1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 148

Temperature Switch Test Purpose heat sensitive switch is installed in the cylinder head to monitor engine temperatureThe
from the cylinder head2Using continuity light or ohmmeter, make positive connections to the switchone lead to the switch
lead and one lead to the metal portion of the switchf413Place the switch and an accurate industrial thermometer in warm automotive
crankcase oil4Slowly increase the oil temperature using an external heat sourceTo avoid possible fire or explosion: Use suitable
container for the oil Use an oil that has flashpoint above 300 (150 C), such as OMC Cobra 4-Cyce Motor Oil Do not use open
flame as heat source5The switch must react to the changing temperature as follows: Wire Color Tan TanRed Switch Closed 203