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Home >> Mercury >> 2007 >> Montego Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Tests >> Speed Control >> Pinpoint Tests >> Pinpoint Test A: The Speed Control Is Inoperative >> Normal Operation
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Normal Operation

The powertrain control module (PCM) sends a signal through circuit 848 (DG/OG) to the speed control switches which passes through the clockspring. The return signal is sent through circuit 151 (LB/BK) and the clockspring.

Possible Causes

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