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Home >> Pontiac >> 1991 >> 6000 SE >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Description & Operation >> Electronic Control Module (ECM) 4-Cylinder Models
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Electronic Control Module (ECM) 4-Cylinder Models

ECM interprets position of servo, cruise control switches and input from VSS. In response to these inputs, ECM signals opening and closing of servo vent and vacuum solenoid valves. ECM is located behind right side of instrument panel, to left of glove box.