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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1313 (Body Control Module (BCM) - DTCS B1000-44 To B1045-19) >> DTC Troubleshooting >> B1039-19-Aftermarket Radio Backlight-Circuit Current Above Threshold >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) provides voltage to the Dome Lamps through the Dome Lamp Control circuits. A ground path for the lamp is present through the harness to the body sheet metal.

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