Stanspeedautocare Posted November 16, 2019 Share Posted November 16, 2019 Hi can anyone help ..I have a 2004 subaru impreza sti everything fine but fitted some aftermarket gauges and when running all good and reading correct but when I turn any electrical load on the gauges go up like 15deg temp oil and water . I have ran direct to Battery to make sure it's not a wiring problem and still the same I have ran new earths all over the engine and body still the same . Charging at 14.2 and when loads on its 14.0 . Quote Link to comment Share on other sites More sharing options...
Jay762 Posted November 21, 2019 Share Posted November 21, 2019 Given what you have completed already - are the sensors getting interference? Quote Link to comment Share on other sites More sharing options...
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