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Old 08-13-2017, 07:55 PM   #3
'68OrangeSunshine
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Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,087
Re: Installed '90 GM Factory EFI tank, '72 Blazer Factory fuel gauge is pegged past f

When the Lt Brown wire from the float sending unit is open or unplugged, the pointer goes to 3 O'Clock. Check that line and connection.
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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