Question about 2005 Chevrolet Silverado
There is a good chance that the wire harness has burnt out or the blower speed regulator. The other place that can cause this is a the blower switch it self has burnt out also due to the high current drawn by the blower.
Start with inspecting the switch first and then work your way to the blower resistor and harness. If the resistor has gone bad, replace the harness also. Oh and my bad and check the fuse and relay to your HAVC system.
Thank you for using fixya and Auto Zone should have the parts needs to repair your blower issues with the instructions to get the job done with common tools.
Posted on Jun 03, 2010
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Posted on Jan 02, 2017
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