2000 Honda Civic alternator isn't charging

2000 HONDA CIVIC
185,000 MILES • 4 CYL • 2WD • AUTOMATIC
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JAN SADLO
  • MEMBER
  • 1 POST
only getting 12.65 volts on the battery terminal with
engine on ,high beam ,heater on.
when I disconect output wire from alternator I get 16.5VDC when I put it back it is loading down to 12.65VDC. Replaced ELD in the fuse box no help.

any help would be apriciated.
Feb 10, 2008 at 12:12 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
12.6 is not enough -its not charging BTW its a bad idea to remove the alty's output wire.

Your regulator is gone its not controlling the field winding-when the regulator sees resistances it will lower the output and vice versus.
Feb 10, 2008 at 12:33 AM
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