2001 Mercury Mariner 50-60HP Factory Service Manual, Page 89Get this manual
IGNITION
TEMPERATURE SENSOR
Insert digital or analog ohmmeter test leads into both Black sensor leadsWith engine at temperature (F) indicated, ohm rating should be as indicated270 255 240 225 210 195 180 165 150 135 120 105 90 75 60 45 30 15 10 12 14 16