hermannm Posted May 28, 2009 Report Share Posted May 28, 2009 Hey i have a 3.1L 92 cutlass just wondering what the senor is that has 2 wires coming out of it near the thermostat just below (or above) the hose that goes to the heater core. I know the one on the head is supposed to be the temperature sensor, one with the green wire. Thanks! Quote Link to comment Share on other sites More sharing options...
w-bodys_are_the_best Posted May 28, 2009 Report Share Posted May 28, 2009 Temp sensor for ECM Quote Link to comment Share on other sites More sharing options...
Venom Posted May 28, 2009 Report Share Posted May 28, 2009 Temp sensor for ECM Correct, since your car is OBD1 you have two sensors, the one wire sensor is for the gauge/light and the other one is for the ECM to tell the fans when to kick on. Some auto part stores call it a few different things so just make sure its the two wire sensor when you go to pick one up. Quote Link to comment Share on other sites More sharing options...
SrMichi Posted May 28, 2009 Report Share Posted May 28, 2009 What they said Quote Link to comment Share on other sites More sharing options...
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