I don't care what I see because every time I call it versus

Asked by GuruDDNKXR Oct 13, 2023 at 02:37 PM about the 1999 GMC Jimmy 4 Dr SL 4WD SUV

Question type: General

My Ac  stays on when it's not turned on I had to unplug it at the compressor and
I have no heat or fan nothing I've changed out the whole switch panel still
nothing

2 Answers
307,265

Gene answered 6 months ago

Fuses, fan relay, fan resistor. Just a few thing to check.

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155,265

james answered 6 months ago

The A/C compressor will be on if you select defrost to dehumidify the air before it comes into the passenger compartment. Also, if you have automatic climate control the compressor will be on any time the outside temperature is above 35°F to prevent the windows from fogging up. There should be some kind of economy setting, with the automatic system, that turns the compressor off. Hope that helps! Jim

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