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Locally assembled Datsun 1200 have used various alternators. Lucas is popular in Commonwealth countries.
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Lucas 15AC
Late 120Y Australian assembled have a Lucas single wire internally regulated alternator. Earlier 120Y have had an externally regulated alternator.
Lucas 15-A.C. have one IND terminal and two + terminals.
NOTE: Externally regulated A15AC also has IND + F terminal
It will plug into an externally-regulated harness BUT IT IS WIRED DIFFERENTLY.
+ goes to battery via Fusible Link AUX+ leave disconnected IND indicator lamp (charge) F missing* NOTE: If it has an 'F' terminal the 15AC needs external regulator
Lucas 15AC missing F terminal (indicating internally regulated)
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Lucas AS123
Big-flange alternators are used in South Africa on the B140 Nissan LDV 1400.
Lucas AS123 55A 65A available $86 USD new aftermarket Internal Regulator 3 hole adjusting tension ear. Bracket angle: -30° / 0° / 30° Threaded B+ terminal post and optional B+ spade connection Threaded D+ terminal post Single wire or three terminal plugs
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