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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Body Control Module (BCM) - DTCS B10B3-14 To B182C-13) >> Diagnosis And Testing >> B1606-95-Headlamp Switch Input - Incorrect Assembly >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) receives an input voltage from the headlamp switch. The BCM monitors the headlamp switch voltage and controls the exterior lighting functions based on the switch input. For additional information on Headlamp Switch operation, refer to SWITCH, HEADLAMP, OPERATION .