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Old 11-02-2016, 10:21 PM   #4
mongocanfly
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Join Date: May 2015
Location: Alabama
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Re: 5.3 Thermostat Housing with Temp Ports

Your ecm will need a temp reading to...on mine the way I have it set up is..ecm reads from drivers side head sending unit..my temp gauge reads from passenger side head..the ecm controls my fans..do you have this running or are you in the install stage?
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