I have an intermitent headlight flicker. on 2004 Honda Civic

with a distint pattern twice a second,mostly with ac on.then it just stops.its like the altenator has low amparage.anybody got a clue?

Asked by for the 2004 Honda Civic
Have a shop monitor the charging system WITH A SCANNER to see what the ELD is doing and what the charge rate is (%).May be a normal characteristic .