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Draining the battery

Tiny
TWOKINGS
  • MEMBER
  • 1992 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
My son has a Mercury Sable and something is draining his battery. He has replaced his alternator and the problem still exists. What to do now?
Saturday, May 7th, 2011 AT 4:28 PM

2 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Has he tried using test light between disconnected battery post and cable and then remove fuses till light dims/goes out? This is 1 way to find drain. Could be trunk light or underhood light staying on? Those are common drains.
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Saturday, May 7th, 2011 AT 5:52 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Does he have a custom stereo hookup in car? These can be problematic.
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Saturday, May 7th, 2011 AT 5:52 PM

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