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1997 Ford Escort Cooling fan wont start

Tiny
HUBERTTEXAS
  • MEMBER
  • 1997 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
The electric cooling fan will not start when the engine is over 195 degrees. I replaced the thermostat and tested the temperature sensor by grounding the terminal wire. I then turned on the A/C and jumpered the sensor for the A/C clutch and the fan started. Incidentally, the A/C compressor clutch will not engage at all. I cant find any broken wires and the temperature sensor has continuity to ground. I dont know if it should go to ground or 12V. Is there anything else I can do to avoid "hard-wiring" the fan to the ignition?
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Saturday, April 17th, 2010 AT 11:38 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Fan should come on only when needed
Check for codes
If grounding the sensor wire gets the fan working
Suspect bad sensor or poor coolant circulation and check water pump
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Sunday, April 18th, 2010 AT 9:59 PM

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