Posted August 14, 200915 yr comment_291852 i have a 1977 280z. i did an alternator upgrade with 280zx the one with internal regulator. i noticed the voltmeter reads voltage even with ignition in off position and key out. need help and advice. Link to comment https://www.classiczcars.com/forums/topic/32823-voltmeter/ Share on other sites More sharing options...
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