The instrument voltage regulator is usually found behind the instruments, often attached to the printed circuit.
The charging or alternator regulator would usually be found inside the alternator on most vehicles by 1994. Japanese vehicles used a discrete electro-mechanical regulator longer than most types and some commercial vehicles used a discrete electronic regulator longer than passenger vehicles.
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The instrument voltage regulator is usually found behind the instruments, often attached to the printed circuit.
The charging or alternator regulator would usually be found inside the alternator on most vehicles by 1994. Japanese vehicles used a discrete electro-mechanical regulator longer than most types and some commercial vehicles used a discrete electronic regulator longer than passenger vehicles.