Could be but the fuse for the blower is a 30 amp and rear defroster is less.
Make sure the contacts on the rear window are intact as they often fail from all the heat we have had.
The blower may be at fault or the resistor may have failed.
Have a shop check this for you to confirm and give you a bid.
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Tuesday, September 27th, 2011 AT 3:33 PM