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Home >> Merkur >> 1985 >> XR4Ti Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EEC IV System >> Operation >> Inputs >> A/C Compressor Clutch Signal

A/C Compressor Clutch Signal

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Whenever battery voltage is applied to compressor clutch, a signal is sent to the ECA. ECA uses signal to increase engine idle speed to compensate for added load created by A/C compressor. Idle speed is increased by using throttle air by-pass valve.

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