ProductDetailesDescription:MITSUBISHIAutoAlternatorVoltageRegulatorIM505Specsfor:MITSUBISHISystemsUsedon:MitsubishiED/IFAlternatorsSpecs:12Volt,A-Circuit,(N/C)-D-PTerminals,14.4VsetFeatures:Withcapacitorplate;StatoractivatedReplaces:MitsubishiA866X50572(stamped505)Unit#s:MazdaAJ51-18-300,-300A,MitsubishiA3TJ0191,A3TJ0291Lester#s:11006,11007FeatureMitsubishiED/IFAlternators12Volt,A-Circuit,(N/C)-D-PTerminals,14.4Vset3-pinconnectorbutonlyD-Pareused:(N/C)=NoconnectionD=DriveP=PhaseIM505isNOTatraditionalregulator,butafieldcontrolunitthatworkswiththevehicle'scomputer(PCM)tocontrolthevoltageandoutput.TraditionaltestmethodswillimmediatelydamageD-PTypeUsedOn(2008-02)Mazda)