99 Grand Cherokee, Cooling Fan

Discussion in 'General Motoring' started by Chickenstrip, Apr 30, 2006.

  1. Chickenstrip

    Chickenstrip Guest

    I have a 99 Grand cherokee with a 4.0 Straight 6 and the fan refuses to
    come on.
    I have verified the fan itself by applying direct power and its fine, i
    switched the relay in the box by the battery and the fuse in the same
    box is good. The only temp sensor i can find in the book is the one in
    the thermostat housing for the temp guage and it is showing accurate
    temps as verified with a thermometer.

    Is there a sensor i am missing or could this be a computer problem?
    Any ideas will help i'm stumped and i really dont want to put a manual
    control on the fan.
    Is thier a test i can perform to check the cooling circuit? Maybe
    applying a specific voltage to the sensor wire?

    tia...
    Mark
     
    Chickenstrip, Apr 30, 2006
    #1
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