Dave WM Posted June 8, 2016 Share #1 Posted June 8, 2016 wanted to share this. 2 Link to comment Share on other sites More sharing options...
ramsesosirus Posted June 11, 2016 Share #2 Posted June 11, 2016 Is this the switch that is only used on 75/76 280z's? My replacement engine has the 1-wire sensor in it's place, which I am not using. Is the function of this 2-wire sensor to adjust the ignition timing during warm up? Link to comment Share on other sites More sharing options...
Dave WM Posted June 11, 2016 Author Share #3 Posted June 11, 2016 On the 1975 the two wire sensor is for the ignition timing during warm up OR on California cars (like mine) to turn of the EGR during warm up. I am pretty sure the 1 wire was for the cooling fans used to cool the fuel rails on later models. The one wire one is the one that can be modified to work since it has a long body that can house the thermal switch. The one that came out (did not work) is very stubby and mostly hollow (there is no room for the aftermarket switch element). Link to comment Share on other sites More sharing options...
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