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You need to replace the blower, cut out a section from the hood side then replace it with a new one and place insulation layer glued to the casing

if it was replaced them most likely the terminals in the connecer ar sloppy and need to be tightened unplug the blower connecter and look at the terminals a small pick is udes to prise the trems up and tighten them

Check the ground wire behind the alternator.

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2009-10-04 23:46:51
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Q: Why does the blower motor in a 97 Cadillac DeVille work sometimes and sometimes not work even after it has been replaced?
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