| 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 | |
: Door Switch (Negative trigger). Connect to the wire that goes to ground when a door is opened. White/Red : Bonnet/Trunk switch input. Peripheral Outputs cobra 4160 alarm wiring diagram
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