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Old 09-08-2021, 06:40 PM   #1
nickh
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Default GM eletrical guru's

2005 Chevrolet Silvereado 1500 5.3 parasitic battery drain I am getting some weird readings on volt meter when I pull the battery fuse and the pcm B fuse any help would be appreciated. Battery drains over night, new battery new alternator. My cell is 832-727-0326
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Old 09-08-2021, 08:45 PM   #2
NSSGTO
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Default Re: GM eletrical guru's

Does is have onstar? I had a 05 Tahoe and a 06 Cadillac Escalade that the onstar would drain the battery overnight. Pull the onstar fuse and see if it stops the drain.
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Old 09-09-2021, 07:52 AM   #3
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Default Re: GM eletrical guru's

No Onstar but, my dash cluster has the tach and temp not working, this seems to be a common problem where dash cluster goes crazy. I am pulling it out and ordered a refurbished one. I had a Ford F350 and the gas gauge would drop, then the drivers window would not work and some other weird stuff. Sent cluster in to be redone and reinstalled problem solved.
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Old 09-09-2021, 09:05 AM   #4
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Default Re: GM eletrical guru's

Nick, check your PM.
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Old 09-11-2021, 03:16 PM   #5
Kenney Kelley
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Default Re: GM eletrical guru's

My Brother changed out his dash panel and his battery discharge went away. On my truck i removed the security system and my battery discharge went away. They're both Chevy 3500 Silverados Kenney Kelley

Last edited by Kenney Kelley; 09-11-2021 at 03:22 PM.
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Old 09-13-2021, 02:42 PM   #6
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Default Re: GM eletrical guru's

Yes have narrowed down to dash cluster, thanks to everyone that responded. Richard when I called Jason he stated that he could not repair it but I appreciate you response.
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