still using up battery?

2002 FORD FOCUS
100,000 MILES
Avatar
BIGRED6127
  • MEMBER
  • 1 POST
battery light came on steady,car died.shop said needed alternator, replaced it belt good, tight.battery light comes on at redlights,stop signs,at idle.cleaned terminals.battery is 1 year old.drive to work ,car wont start until sitting all day.new alternator didnt fix problem but cost alot.any help will be greatly appreciated.
Oct 12, 2011 at 1:29 PM
Advertisement
Avatar
DAN_K
  • CERTIFIED EXPERT
  • 213 POSTS
I would check for corrosion/high resistance on the alternator-to-battery cable. A voltage drop test would be the best way to determine this. Any reading of .2vdc or higher would indicate high resistance.
Oct 12, 2011 at 1:36 PM