Question about Goodman GMS90703BXA Heater

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HEATER NEVER SHUTS OFF

I REPLACED THE THERMOSTAT, BUT MY HEAR NEVER SHUTS OF I HAVE AN OLD A36-20 MODEL.

ALSO IT ONLY BLOWS OUT LUKE WARM AIR.

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Check your thermostat wires. They may have a short in them.

Posted on Jan 02, 2009

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Heater not working ?


There could be more than 1 thing wrong, I assume the fan works because the A/C blows cold, as for the heater is it blowing luke warm or nothing at all. If the thermostat was removed and left out you would have luke warm air because the water that circulates through the heater is not getting hot if this is the case replace the thermostat with the correct one, another issue would be the heating element under your dash has no power to it or the element has deterioated.

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"78 Chevy Scottsdale 4x4 400 small block. I


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