JCE Posted June 23, 2012 Report Share Posted June 23, 2012 Hello, I have a knock control module (GM) that gives 8-10v DC when NO knock is detected and 0v DC when knock is detected. I assume im suppose to connect it to the 0-5V analog input, but how does the Ecu "Read" the input? Is 0v knock conrol ON and 5v OFF ? Or the other way around ??? Quote Link to comment Share on other sites More sharing options...
Simon Posted June 25, 2012 Report Share Posted June 25, 2012 We are geared for a 0-5 signal. A low voltage for no knock and a high voltage for knock. Quote Link to comment Share on other sites More sharing options...
JCE Posted June 25, 2012 Author Report Share Posted June 25, 2012 Ok, thanks. Do you have any good suggestions for a knock sensor+module/amplifier to use with a GM 4.3 V6 ?? Quote Link to comment Share on other sites More sharing options...
bsh Posted June 25, 2012 Report Share Posted June 25, 2012 Vi-PEC or Phormula KS-4. Both output 0-5 V. Quote Link to comment Share on other sites More sharing options...
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