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Home >> Pontiac >> 1999 >> Grand AM V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Diagrams >> Diagnostic Aids >> General Electrical Diagnostic Procedures >> Symptom Diagnostic Example >> Verify the Customer Concern, Check the Problem

Verify the Customer Concern, Check the Problem

Customer complaint is the headlamps are inoperative. Verify the normal operating procedure of the circuit and the components that share that circuit.

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