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Cobra 4160 alarm system is an older, modular vehicle security unit often found in vehicles like the Toyota Innova and various SUVs. It is primarily known for its compact 4-button remote and its ability to interface with central locking systems. Wiring Connections Overview

  1. Control Unit: The brain of the system, responsible for processing inputs and controlling outputs.
  2. Sensors: Door, hood, and trunk sensors detect unauthorized access and trigger the alarm.
  3. Siren: A loud, attention-grabbing device that alerts others to a potential security breach.
  4. LED Indicator: A visual warning system that displays the alarm's status.
  5. Remote Control: A handheld device that allows users to arm and disarm the system.
  1. Verify Power Connections: Ensure that all components are receiving power and that the control panel is properly powered.
  2. Check Zone Wiring: Verify that all zone wiring is correct and secure.
  3. Inspect Sensor Wiring: Check sensor wiring for damage, corrosion, or incorrect connections.

DOOR TRIGGERS

Black: Main chassis ground. Connect to a factory ground point or the battery's negative terminal. Ignition & Sensing

The Cobra 4160 can be integrated with the vehicle’s central locking system to provide convenient keyless entry along with security. The wiring requirements depend on the vehicle's existing locking architecture:

Automotive electrical systems are sensitive. Incorrectly tapping into an airbag (SRS) or ECU wire can cause expensive damage. Always use a digital multimeter—never a test light—to verify wires before stripping or soldering.

Green/Red: Ignition sense (+12V when the key is in the "ON" or "Start" position). Lights & Siren