Drawing power when off

Asked by Tommythejones Apr 17, 2020 at 04:35 PM about the 2003 Chevrolet Trailblazer LS 4WD

Question type: Maintenance & Repair

2 Answers
70,455

Kelly answered 4 years ago

called a draw...something is pulling voltage from the battery... connect a light or meter to the battery ... as shown on > https://www.youtube.com/watch?v=NSpwBs11f0o

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40,570

TDolby answered 4 years ago

That is what is called a parasitic draw. You will need to test the SUV's electrical system. youtube has a few videos on the process. Good Luck.

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