Mercury Repair Questions? Ask a Mechanic for Answers ASAP
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Yours does not have a separate low and high pressure switch, just a single ac pressure transducer sensor on the ac line at the firewall(see attached diagram)
The ACP sensor is located in the high pressure (discharge) side of the A/C system. The ACP sensor provides a voltage signal to the PCM that is proportional to the A/C pressure. The PCM uses this information for A/C clutch control, fan control and idle speed control.
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