: Ultrasonic volumetric sensors triggered (often caused by air currents, bugs, or windows cracked open). 3 Flashes : Bonnet / Hood pin ground trigger circuit opened. 4 Flashes : Boot / Trunk gate latch circuit triggered.
Here are some detailed specifications of the Cobra 3865:
Press the dashboard button the number of times corresponding to the first digit of your PIN code. Turn the ignition off and on again. Repeat for all digits of your PIN. cobra 3865 manual
| | Function | | --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | | Orange Loom | This denotes the main harness bundle coming from the siren module. | | Red | Primary 12V Power: This is a constant power connection, typically wired directly to the vehicle's battery or a main constant 12V source. | | Blue/Pink | Ignition Input: This wire connects to a vehicle circuit that has +12V power only when the ignition is turned on. | | Yellow | This wire is a signal input for the driver's door pin switch. It is used to detect if the door is opened when the system is armed. | | Green/Brown | Lock/Unlock Signals: This pair is for the central locking system. They connect to the vehicle's door lock control circuits. | | Auxiliary Wires | The system may have other wires for options like a hood pin switch, starter immobilizer cut, or an extra channel for a trunk release. |
– Cobra's CB radio models include 29, 19, 148, 200, but not 3865. : Ultrasonic volumetric sensors triggered (often caused by
Once wiring is complete, you must program the ECU to match your specific vehicle dimensions and prevent false alarms from ambient interference. Configuration Variable Standard Default Adjustment Mechanism Medium (Level 3) Pushbutton Sequence Prevents false triggers from cabin temperature shifts. Buzzer Audio Volume Maximum (Level 5) Programming Mode Toggle Ensures audible cabin alerts above road noise. Sensor Zone Boundary 30 Centimeters ECU Potentiometer Tuning Sets the critical alert buffer zone. False-Signal Rejection Multi-Button Code Entry Filters out environmental noise.
Connect to a +12V source that is active only when the ignition is on. Here are some detailed specifications of the Cobra
A: No. The Cobra 3865 manual confirms it is AM/FM only. For SSB, look at the Cobra 148 or 2000 models.