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Home >> Mazda >> 2004 >> Tribute ES, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting (Engine/Fuel Control) >> Electronic Engine Control (EEC) System >> Power & Ground Signals >> Power Ground

Power Ground

Power ground (PWR GND) is an electric current path return for VPWR voltage circuit. The purpose of the PWR GND is to maintain sufficient voltage at the PCM.