excess voltage

1979 NISSAN 280Z
6 CYL • 2WD
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JALLAIN
  • MEMBER
  • 1 POST
on a 1979 280z there is excess voltage. alternator was changed and problem still exists. blown fuese in fuse panel. Car won't pass emissions test.rough idle.
Mar 26, 2011 at 7:34 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
For the year model, the voltage reuulgator could be external of the alternator. If so, replacing the laternator is not going to resolve the problem.
What were the reasons for not passing emission? The rough idle could be something else not related to the charging problem.
Mar 27, 2011 at 12:31 PM
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