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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 45 (Body Control Module (BCM) - DTCS B226A-00 To U1493-00 - 500 - Electric) >> DTC Troubleshooting >> B287A-12-Side Marker Lamps - Circuit Short To Battery >> Theory Of Operation

Theory Of Operation

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The Body Control Module (BCM) receives the input from the Left Multi-function Switch requesting park lamp illumination. The BCM provides a voltage output through the side marker control circuit. The control circuit connects to the Park Lamps. A ground path for the lamps is present through the harness to the body sheet metal. For additional information on the Park Lamps operation. Refer to PARK LAMPS .

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