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Re: Ac delco compressor will not turn off.
I can only think of two things that could cause your problem.
*some type of problem with the dash selector switch or
*the clutch on the compressor , It has an air gap of something like .030
if its gaped too tight it can make its own magnetic field causing it to stay engaged.
Some if the older A6 style compressors use to have a small diode installed at the wiring plug near the clutch to prevent this situation.
I would check it for voltage while the engine is turned off and when its on vent, should not have voltage at either time.
Desert
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