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Something is draing my battery which is new

Tiny
HARLEYP
  • MEMBER
  • 2001 SATURN SC1
  • 210,000 MILES
Something is draing my battery which is new. Have checked starter and altenator. Car will start with boost and runs. Once shut off battery is drained nothing is on lights etc
Wednesday, December 12th, 2012 AT 9:51 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Your going to have to do a parasitic draw test you can even get a meter from harbor freight that will do it. You need a meter that will measure milliamps.
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Thursday, December 13th, 2012 AT 2:18 AM
Tiny
HARLEYP
  • MEMBER
  • 2 POSTS
Then what does that do and what does it tell me?
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Thursday, December 13th, 2012 AT 12:11 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
It tells you how much draw you have on the battery then you pull a fuse put it back in pull another one etc. Till you see the draw go away then you can narrow down what circuit the draw is on. That will help pinpoint the draw I have even seen bad power window switches cause draws.
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Thursday, December 13th, 2012 AT 5:49 PM

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