HEATER NOT WORKING

When I Turn The Heater/defroster On In The Front Of The Cabin It Only Blows Cold Air. Also If I Toggle The Controls From Either Hot->cold Or...

I Replaced The Stat In My '97 Ford F150 - 4.6l. The Heater Worked Perfectly The Next Morning. It Blew Nothing But Cold Air That Evening...

When My Car Is On And My Temperatures Are Normal And I Turn My Heat On It Blows Cold Air. If I Unplug My Air Conditioner The Heat Works Fine...

No Heat. Air Blows Cold. Started Happening Intermittently, Now Seems Only Cold. Wondering If Possibly Connected To Air Condition...

I Replaced Thermostat And My Temp Gauge Went Up But No Heat. Replaced The Radiator Cause Of Hole And It Blows Cold Air Idling And Warm Air...

I Replaced Thermostat Heat Worked For A Day. Now No Heat. Car Gets Up To Temperature But Blows Cold Air.

Husband Changed Blower Resister And The Plug. The Blower Motor Is Getting Power, Checked It With A Tester And He Straight Wired The Blower...

Heater Problem 1993 Pontiac Grand Prix 6 Cyl Front Wheel Drive Automatic 100k+ Miles This Is My Daughters Car. When The Heater Is Set...

I Just Flushed Hoses Out And Still No Heat. It Worked Right After Flushing But Now Just Cold Air.

Driver Side Blows Cold Air On High Heat.