Modern Vehicle Charging and Power Management System Wiring Diagram

graph LR
    A[Alternator 120A] -->|Red 8AWG| B[Battery 12V]
    A -->|Voltage Sense Blue| VR[Voltage Regulator]
    VR -->|Field Control Green| A
    
    subgraph Battery Management
        B -->|Battery Voltage Yellow| BCM[Body Control Module]
        BTS[Battery Temp Sensor] -->|Temperature Data Gray| BCM
        BS[Battery Current Sensor] -->|Current Draw Brown| BCM
    end
    
    subgraph Load Management
        BCM -->|CAN-H White| ECM[Engine Control Module]
        BCM -->|CAN-L Blue| ECM
        BCM -->|Load Shed Commands| RL[Relay Box]
        RL -->|Controlled Power| HL[High Load Devices]
        BCM -->|Priority Power| CL[Critical Loads]
    end
    
    subgraph Monitoring
        A -->|L-Terminal Brown| BCM
        BCM -->|Charge Warning Red| D[Dashboard Display]
        BCM -->|Battery Status| D
        BCM -->|System Voltage| D
    end
    
    E[Engine] -->|Belt Drive| A
    B -.->|Ground Black| G[Ground Points]
    A -.->|Ground Black| G
    BCM -.->|Ground Black| G
    HL -.->|Ground Black| G
    
    style A fill:#ff9999,stroke:#333,stroke-width:2px
    style B fill:#99ff99,stroke:#333,stroke-width:2px
    style VR fill:#9999ff,stroke:#333,stroke-width:2px
    style BCM fill:#ffff99,stroke:#333,stroke-width:2px
    style ECM fill:#ff99ff,stroke:#333,stroke-width:2px
    style D fill:#99ffff,stroke:#333,stroke-width:2px
    style G fill:#cccccc,stroke:#333,stroke-width:2px
    style RL fill:#ffcc99,stroke:#333,stroke-width:2px