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coolant sensor/sending unit confusion

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Old Jun 28, 2009 | 08:40 PM
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CaliChevyLover's Avatar
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Joined: Feb 2008
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From: annapolis MD
Car: 1986 IROC-Z28
coolant sensor/sending unit confusion

ive done some searchin but hasnt helped much.

ive diagnosed my overheatin problem...the fan is not coming on at the designated temperature. just not sure why. the fan motor is a month old, relay is brand new today. it comes on with the a/c tho

wat im confused about is which sensor(and location on a lb9 305 tpi) sends the signal to turn the fan on at the designated temp (230* or watever it exactly is)

thanx to everyone!
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