Heath Posted July 6, 2012 Report Share Posted July 6, 2012 Hi, new to using the Link systems and are doing a G4 xtreme install. In the manual it's very specific about power grounds and sensor grounds. Unless I'm missing something the black earth wires are not labeled sensor or power ground on the harness. Only ref to sensor ground is feeding earth to the sensor itself. Any help would be great Cheers Quote Link to comment Share on other sites More sharing options...
Scott Posted July 6, 2012 Report Share Posted July 6, 2012 Hi Heath, The sensor ground are used for sensors like MAP or TPS. The ECU also requires earths for its operation, these are the power grounds. If you download and install PCLink, and head to Help > Wiring information > Xtreme Header Pinout you will find which pins are Sensor Ground. The pins on the diagram labelled Ground are for the power grounds and should be connected directly to earth. Hope this helps, Scott Quote Link to comment Share on other sites More sharing options...
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