thermosensor..what do they do

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Old Oct 19, 2008 | 03:25 PM
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new_climber's Avatar
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Default thermosensor..what do they do

I see there are 2 thermosensors...one just next to the temp gauge sender, under the dizzy...the other just above the oil filter on the back side of the block. What do these 2 thermosensors do???? I would suspect one turns on the relay for the fan...and the other??
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Old Oct 19, 2008 | 03:33 PM
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Default Re: thermosensor..what do they do (new_climber)

1 measures coolant temp the other oil temp
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Old Oct 19, 2008 | 04:08 PM
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Default Re: thermosensor..what do they do (madmanmulligan)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by madmanmulligan &raquo;</TD></TR><TR><TD CLASS="quote">1 measures coolant temp the other oil temp</TD></TR></TABLE>

The one on the rear of the block is the fan switch. Pretty sure the other one does not measure oil temperature.
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Old Oct 19, 2008 | 04:58 PM
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Default Re: thermosensor..what do they do (Natural Aspirations)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Natural Aspirations &raquo;</TD></TR><TR><TD CLASS="quote">

The one on the rear of the block is the fan switch. Pretty sure the other one does not measure oil temperature. </TD></TR></TABLE>

yes the one under the distributor is for the gauge, the other one under the distributor is for the ecu and the one on the back of the block is to turn the fan on.
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Old Oct 19, 2008 | 09:08 PM
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Default Re: thermosensor..what do they do (Crx Jimmy)

Does that mean the Thermosensor by the dizzy that the ECU uses, is only an on and off switch??? Just like the thermosensor for the fan??
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Old Oct 19, 2008 | 11:04 PM
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Default

No, the one under the dizzy is for the cluster. The one that controls the cooling fan on and off is behind the block next to the oil pressure sending unit. Cooling fan is 2 prong, oil pressure is 1 prong. (Behind the block)
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