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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1373 (Body Control Module (BCM) - DTCS B1046-64 To B1166-71) >> DTC Troubleshooting >> B110F-11-Fog Front Light Left-Circuit Short To Ground >> 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 Fog Lamp Switch is integral to the Headlamp switch. When the Body Control Module (BCM) receives an input signal from the Headlamp Switch, requesting Fog Lamp illumination, the BCM provides a Pulse Width Modulated (PWM) voltage output through the Front Fog Lamp Control circuit to the Front Fog Lamps. A ground path for the Front Fog Lamps is provided through the wiring harness to the body sheet metal.

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