2003 Chevrolet Tahoe heat/ac fan not working.
So my 2003 Chevrolet Tahoe with 154,000 miles has issue with blowing heat and or a/c. For awhile, its only worked on speeds 3-5. Now, only working on speed 5. 1-4, not working at all. Is this an issue...
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On my 2000 Chevy Blazer I only have 4 speeds. However, 1-3 get their power through a fuses and 4 comes from the relay. You might want to look at your fuses.
