my battery does not stay charged,changed battery.terminals,had altenator checked on 1999 Cadillac Seville STS

I replaced the battery and it stayed charged for a couple of weeks

by in Los Angeles, CA on May 09, 2012
1 answer
ANSWER by , May 09, 2012
possibly alt is not charging under load, like lights on a/c on and so forth.have it tested under load even if its r/b or new