Cobra 4160 Alarm Wiring - Diagram ((hot))

To trigger a loud horn or strobe when the radio receives a DSC Distress Alert:

| Pin | Wire Color | Function | Connection Point | | :--- | :--- | :--- | :--- | | 1 | | Siren Output (+12V) | Red wire of the siren. Black siren wire to ground. | | 2 | Blue | Negative Trigger (-) | Door pins that ground when door opens (most cars). | | 3 | Green | Positive Trigger (+) | Door circuit that gets +12V when door opens (older Fords, some GM). | | 4 | Violet | Trunk/Hood Trigger | (-) negative trigger for pin switches on trunk or bonnet. | | 5 | Grey | Shock Sensor Input | Connect to the sensor's signal wire. | | 6 | Black/White | Dome Light Output | Connects to car's interior light circuit (ground switched). | | 7 | White/Red | Starter Disable Output | Optional ground output when armed. | | 8 | Brown/White | Flashing Light Output | (+) positive output for parking lights. | | 9 | Red/White | Auxiliary Output 1 (Ch 3) | Remote boot/trunk release (requires relay). | | 10 | Blue/Black | Auxiliary Output 2 (Ch 4) | Optional (e.g., window roll-up). | | 11 | Green/Red | Tachometer Input | Engine RPM wire (for anti-grind or remote start variants). | | 12 | N/A | Not used | | cobra 4160 alarm wiring diagram

The Cobra 4160 alarm wiring diagram is a comprehensive guide that illustrates the connections between various components, including: To trigger a loud horn or strobe when

| Wire Color | Function | Connection Point | | :--- | :--- | :--- | | | 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. | | | 3 | Green | Positive Trigger