Cobra 4160 Alarm Wiring Diagram !full! May 2026

Direction indicators (connect one to the left and one to the right indicator circuits). Yellow/Blue: Siren connection. Triggers & Sensors Blue/Pink: Drivers door switch trigger. Blue: Boot (trunk) switch. Black (loose wire): Bonnet (hood) switch.

: Often used for the LED indicator or ultrasonic sensor power. Critical Installation Tips

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The Cobra 4160 features a alarm that sounds for distress relays. This guide explains how to wire an external warning device (horn/siren/LED) to the radio’s accessory outputs, as well as the basic power and antenna connections.

: Negative door switch trigger. Connect to the driver's door pin switch. Blue : Boot/Trunk switch trigger. External Outputs Direction indicators (connect one to the left and

Before cutting any factory car wires, use a digital multimeter (DMM) to verify each function. Never rely 100% on wiring color assumptions—test, label, and then connect.

Most installers use the Violet and Grey wires for lock/unlock signals. Blue: Boot (trunk) switch

: If you need to enter a programming code, the LED will blink to guide you. For example, you count the blinks for each digit and cycle the ignition to set it.