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2002 chevy 1500 2wd. Ign 0 battery drain

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Old March 13th, 2021, 3:52 PM
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Default 2002 chevy 1500 2wd. Ign 0 battery drain

My 2002 chevy looses all charge over night. Iv narrowed it down to the ignition 0 fuse drawing alot of power but dont know what to do from there any advice and help is greatly appreciated
Old March 13th, 2021, 4:48 PM
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How much power?

unfortunately it doesn't narrow it down much . IGN 0 supplies your cluster, PCM and TCM, which control a lot of things.

However, IGN 0 should NOT be energized with the key removed, so you may have a faulty ignition switch.

Last edited by mountainmanjoe; March 13th, 2021 at 4:51 PM.
Old March 14th, 2021, 6:45 PM
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It will drain a fully charged battery overnight. I'm not use to working with this much electronics either. Any advice on how to further trace the problem would be greatly appreciated
Old March 14th, 2021, 7:46 PM
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Like I said, your ignition switch must not be fully shutting off.
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