REVISE " NO HEAT 1993 "

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REVISE " NO HEAT 1993 "

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REVISE " NO HEAT 1993 " - 11/13/2008 7:51:26 AM

TEXAS HARRY

Posts: 4
Joined: 11/9/2008
Status: offline

I POSTED THE " NO HEAT 1993 " THE OTHER DAY , FOUND OUT IF I DISCONNET THE PLUG IN AT THE A/C COMPRESSOR I GET BETTER HEAT. NOW MY QUESTION IS WHY DOES THE A/C COMPRESSOR STAY ENGAGED ALL THE TIME , UNLESS UNPLUGGED OF COURSE? IT DOES NOT MATTER WHAT SETTING ON THE TEMP CONTROL I HAVE IT?

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RE: REVISE " NO HEAT 1993 " - 11/13/2008 1:12:46 PM

bryanth73

Posts: 21
Joined: 9/8/2008
Status: offline

sounds like the heater control is stuck in defrost and the blend doors are not switching over does it have the electronic control unit ?

(in reply to TEXAS HARRY)

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RE: REVISE " NO HEAT 1993 " - 11/13/2008 2:24:44 PM

TEXAS HARRY

Posts: 4
Joined: 11/9/2008
Status: offline

Yes it does have the electronic control system.

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RE: REVISE " NO HEAT 1993 " - 11/16/2008 6:27:25 AM

cwb

Posts: 1508
Joined: 5/13/2007
From: eastern NC
Status: offline

A light bulb that won''t cut off (unless it is unscrewed) would NOT be hard to diagnose. First thing you would do is pull the switch, and see if it breaks the circuit when switched. A/C is the same, with a few more switches.

Might take a while, but since it is NOT intermittent, all you heed is a multimeter, and wire schematic.

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(in reply to TEXAS HARRY)

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