2002 Chevy S-10 Heater not blowing hot air

2002 CHEVROLET S-10
70,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JTUBBS
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The fuse has been replaced and the blower now works but it is not blowing warm air. The thermostat has also been replaced. Could it possibly be the heater core or could it be something else?

Thanks to Jack O for the fuse location. It was burned out, so I'm assuming the blower is OK.(?)
Oct 17, 2009 at 2:48 PM
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JACOBANDNICKOLAS
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I need you to check something. Start the engine and allow it to warm up. WIth the heater on high, feel both heater core hoses to the engine. Both should be hot.

LEt me know what you find.
Oct 17, 2009 at 4:13 PM