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Old 10-09-2020, 03:39 AM   #1
Tb51602
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Default Coolant Temp Sensor

How would I determine which of these two would be my coolant temp sensor?? The lower one has a yellow and a black wire to the connector, the higher has just one green wire.
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Old 10-09-2020, 09:19 AM   #2
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Default Re: Coolant Temp Sensor

The correct answer is "Both". They are both temp sensors.

The 1-wire is for the gauge, the 2-wire is for the PCM and runs everything.
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Old 10-09-2020, 09:19 AM   #3
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Default Re: Coolant Temp Sensor

The single wire unit is for the temperature gauge on the instrument panel. The 2 wire unit feeds temperature info to the PCM.
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Old 10-09-2020, 01:39 PM   #4
Tb51602
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Default Re: Coolant Temp Sensor

Awesome, Thank you for the help!
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Old 10-09-2020, 03:10 PM   #5
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Default Re: Coolant Temp Sensor

I don't think I have two..... did the Gen3 combine them?
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Old 10-09-2020, 03:19 PM   #6
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Default Re: Coolant Temp Sensor

The single-wire "dash" sensor is gone from '96 onward.
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