The rain was lashing against the windshield of Javier’s Citroën C4, but inside his garage, the air was thick with the scent of old grease and the hum of a single fluorescent bulb. Spread across the passenger seat was the Cobra 3860 Modular Alarm
| Symptom | Likely Fix | |--------------------------------|------------------------------------------------------| | No power to alarm | Check red wire fuse, ground connection | | Doors don't trigger alarm | Wrong trigger polarity – use Green or Purple only one| | Starter kill not working | Orange/White reversed? Re-check starter wire cut | | Siren doesn't sound | Check Brown wire + ground at siren | | Remote not pairing | Ensure ignition ON, use correct programming sequence | | False alarms (shock sensor) | Reduce sensitivity on sensor | | Central locking opposite action| Swap lock/unlock output wires |