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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 172 (Information System And Entertainment System - F150) >> Diagnosis And Testing >> Information and Entertainment System >> Principles of Operation >> Audio Front Control Module (ACM) Illumination

Audio Front Control Module (ACM) Illumination

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The base (AM/FM) ACM has a hardwired illumination circuit from the Body Control Module (BCM). For all other ACMs, the illumination signal is received from the BCM via the MS-CAN.