water temp sensor question

Blown 91 Bird

Registered User
im getting ready to install a mechanical water temp guage and was wondering before i do it if the computer has to see the voltage coming out of the stock unit for it turn to something on or somethin :confused:
 
I know on my 92 bird there is 2 different sensors, one that runs the gauge and one that goes to the computer. One if you unhook it your temp gauge should stop reading and if you unhook the other your check engine light will come one.
 
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