Cobra 4160 Alarm: Wiring Diagram
Note: I assume you mean the Cobra 4160 vehicle alarm system (12V car alarm). Below is a concise wiring reference for common connections; verify against your specific unit's manual and vehicle wiring before installation.
Important: wire colors can vary by production batch — test with a multimeter and vehicle wiring diagram.
Wiring (common functions)
Typical connections and notes
If you want, I can:
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| Wire Color | Function | Connection Point | | :--- | :--- | :--- | | Green | Door Trigger Input (Negative) | Connect to the dome light circuit that shows ground when door opens (Japanese/European cars). | | Blue | Door Trigger Input (Positive) | Connect to the door pin switch that shows +12V when door opens (older GM/Domestic cars). | | Violet | Trunk/Hood Pin Input (Negative) | Connect to a pin switch on trunk or hood that grounds when open. | | Gray | Shock Sensor Input | Connects to the included shock sensor’s signal wire. | | Black/White | Auxiliary Output (Channel 3) | Typically used for trunk release or window roll-up (requires a relay). | | Brown/White | Starter Kill Relay (86 – Coil Trigger) | Part of starter interrupt. | | Yellow/Black | Dome Light Supervision Output | Provides ground to turn on interior light upon disarm (requires relay). | | Red/White | +12V Accessory for Optional Sensors | Powers glass break sensors or back-up batteries. | cobra 4160 alarm wiring diagram
The Cobra 4160 is a sophisticated vehicle security system utilizing an electronic control unit (ECU) to monitor vehicle status and control critical circuits. Unlike basic alarms, the 4160 features a double immobilization circuit, requiring the interruption of two independent engine management signals to allow starting. Understanding the specific pin-out and wire gauge is essential for technicians to ensure reliability and prevent vehicle electrical damage.
