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Home >> Mazda >> 2004 >> B4000 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine] >> Electronic Engine Control (EEC) System >> Power and Ground Signals >> Power Ground
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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.