I'm assuming its an original alarm or system that came from factory or dealer. When the light blinks is because the alarm is activated. Look underneath the radio the alarm brain might be there. There will be a label on it saying alarm or security system etc. Disconnect the harness to it and try operating your vehicle.
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I have exact same problem with it. Is it possible to disarm this anti-theft system or other way to fix it. thx
Close the hood and get in and lock everything, then get out of the passenger side only, this will disable the anti theft relay to the alarm. Now walk around to the back and unlock it with the key, then to the drivers door and un lock it with the key too, pull the hood release and check under the hood for your fuse box, or wherever your fuse box is. Disconnect the negative battery cable and start popping the fuses in and out 1 at a time, keeping them in the right spots until everything is back to normal.
Close the hood and get in and lock everything, then get out of the passenger side only, this will disable the anti theft relay to the alarm. Now walk around to the back and unlock it with the key, then to the drivers door and un lock it with the key too, pull the hood release and check under the hood for your fuse box, or wherever your fuse box is. Disconnect the negative battery cable and start popping the fuses in and out 1 at a time, keeping them in the right spots until everything is back to normal.
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