-original 1/2 x 14 N.P.T.F.-, (correct resistance and connection, produces accurate gauge display)-original 1/2 x 14 N.P.T.F.-, (correct resistance and connection, produces accurate gauge display)
-ALTDI-, Note: Modified for driver side 1985 and earlier SI series internally regulated alternator-ALTDI-, Note: Modified for driver side 1985 and earlier SI series internally regulated alternator