Burklet89 Posted June 25, 2017 Report Share Posted June 25, 2017 Hi. Im trying to work out the correct wiring for the speed sensor on my link g4+ ecu, im running an rb30et with an rb25 gear box and have an IQ3 racepak display so far everything works correctly apart form the gear display and kph display on the IQ3 dash. I have re run the wiring from the speed sensor on the gearbox to the ecu the sensor has 2 wires one is signal and the other is ground, the signal wire is connected to pin 29 (Di3 vehicle speed) but im confused to what pin the ground needs to be connected to? Im assuming the ground needs to be connected into the ecu?Thanks Alex. Quote Link to comment Share on other sites More sharing options...
Simon Posted June 25, 2017 Report Share Posted June 25, 2017 You would ideally run the ground to one of the sensor grounds on the ECU. Quote Link to comment Share on other sites More sharing options...
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