Thanks for the reply...but I was wondering if you have an actual photo so I can pinpoint what you're talking about. I believe I know what you mean. So are you indicating all I have to do is disconnect the wiring and reconnect it back into the temp. coolant sensor and/or replace the temp. coolant sensor?
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Originally Posted by BNaylor
The ECT is located below the thermostat on the lower intake manifold. Just undo the electrical connector and measure the PCM 5 volt low reference signal at the input pin. See pic below.

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