Alarm has reactivated after being defunct for 4 years
Flashing red light and alarm sound when driving the car. The alarm has not worked for over four years and has been turned off by using the key. Unfortunately I have lost the key and don't know how to stop the noise and flashing light, although if I slam the door hard it can stop it!
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Most likely the 12 volt led light burned out.. all bulbs LED too don't last.. Find the 2 wires usually Black and red and check for 12 volts with the alarm set and if you have 12 volts,. you need to go to radio shack and see if they still have 1. 2 volt led bulbs.. Good luck.
Go to the cobra site, trouble shooting. Never have put an alarm in. But have tore out hundreds of them. Anytime I get a No start or problems like yours. I look under the dash for after market alarms and remote starts. I would tell you up front, That system has to go. 99.5% of the time, when I take them out and fix the wiring. The cars starts and has no problems. The best alarm systems last 5 to 7 years. Cheap ones, your lucky to get a year out of them. Like I said, when I see them, they have to go before I do anything else.
If you changed fuses maybe it's just come back on , if the alarm isn't sounding I doubt that's it , red flashing led's on the dashboard usually are an indicator that there is an alarm but not necessarily mean that it's been triggered
The constant green LED means the alarm has AC power.
A flashing green light every 2 seconds without an audible alert means the unit recently sounded ( was the one activated ) and is now in latching mode to let you know that it was the unit that detected the problem. To clear the latching mode hold down the test button for 5 seconds.
Red LED flashing once per minute means that the back-up battery is connected and functioning.
Red light flashing constantly during alarm means that it is the unit that initiated the alarm siren.
Turn the ignition key counter clockwise in the driver's side door to unlock the car. This deactivates the alarm long enough for you to gain access to the vehicle. Then, place the key in the ignition and turn the key until it clicks once. This starts the car's battery, but doesn't ignite the engine. The LED light on the dashboard should stop blinking, indicating the alarm is temporarily disabled.
Locate the box for the alarm under the dashboard on the driver's side of the car. Then, look for the override button on the box. Typically, the small button is either red or black. With the ignition key in the "on" position, press the override button and hold it in until the alarm chirps once. This disables the alarm until you manually reactivate it.
To reactivate the alarm, turn the key to the "on" position and press the override button once. The alarm chirps twice, indicating the alarm is active.
depends on how old the battery is ,if it it is more than four years old chances are it will not come back to where it was because it went so flat .would jump it again if it starst okay on a jump ,would change battery goodluck