So although I ordered a pair of these a while ago just getting to a megasquirt install on a T4 ACVW. Upon testing sensors, I could never get the Spartan2 to display the voltage ramp-up’s via Tuner studio that is suggested in the troubleshooting guide. I recognized that both the heater & signal grounds were mounted to the engine block so after much reading it seemed I should have the signal ground going to the MS common location, since Im aso using the DIYautotune’s relay board I had to dbl up the sensor ground with the coolant return ground. Still no function. using my DVM I verified continuity & voltage from the relay connector to the plug. Should I install the LED? what would that tell me?
Beuler, crickets? more than a month & nothing!