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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System & Fuel System - 4.8L, 5.3L, And 6.0L - Troubleshooting & Diagnosis) >> Malfunction Indicator Lamp (MIL) Always On >> Circuit Description

Circuit Description

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Battery positive voltage is supplied directly to the malfunction indicator lamp (MIL). The powertrain control module (PCM) turns the MIL ON by grounding the MIL control circuit.

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