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Have to disconnect my battery every time I go anywhere even for five minutes or the battery will be drained

Tiny
SOFIA M HOSEA
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 1,900,000 MILES
Recently it flooded and it has been giving me lots of problems. I have to disconnect my battery every time I go anywhere even for five minutes or the battery will be drained by the time I am done. It rained really bad again and now my SUV does not turn on. I have done the spark plugs, new battery, new ignition switch, and had both the starter and alternator check and there both still fine. So what is the problem?
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Tuesday, October 4th, 2016 AT 10:57 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If this car was in a flood then one or more of the modules are shot. Normally insurance companies scrap these vehicles. You will need to do a parasitic draw test to see how many modules are shot prior to even attempting to fix it.
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Tuesday, October 4th, 2016 AT 12:01 PM

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