1995 c4 corvette. Cooling fans only come on when the ac is running

Asked by Kdavidso Aug 04, 2018 at 12:24 AM about the 1995 Chevrolet Corvette Coupe RWD

Question type: Maintenance & Repair

Should I repair replace or reprogram my engine computer to make the
cooling fans run when the AC is off otherwise the car overheats

4 Answers

F_O_R answered 6 years ago

I would first check the coolant temperature sensor.

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Kdavidso answered 6 years ago

Radiator hoses that been replaced the thermostat has been replaced and the coolant temperature sensor has been replaced

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Robert answered 6 years ago

Locate the hot wire that powers the fan , check the relay .If all else fails . Locate a wire under the dash that is hot when the ignition is on and run a wire to that point . So the fan runs when the key is on.

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John answered 6 years ago

The A/C turns on the high speed fans and or all the fans if you have two fans. It is on a separate line. So first make sure the fans are good. Check all the circuit breakers and fuses going to the fans. Check the computer manual and see if you need to mate the new sensor to the computer. The fan thermostat may be bad also . Like mentioned above, hot wire past the thermocouple and see if the fans come on. If they do, change the thermocouple. If the fans do not come on by going around the thermocouple, it is the fan motor low motor..

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