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Control Module HVAC: Adjustments
Fig. 15 Idling Stabilizer Amplifier.:
1.
Start engine and operate A/C system. Measure compressor clutch cut-off and cut-in engine RPM. Cut-off RPM should be 700-800 RPM.
2.
Turn variable resistor shaft,
Fig. 15, counterclockwise if cut-off RPM is too high and clockwise if cut-off RPM is too low.