This is a general procedure to unlock automate alarms:
If u can unplug your car battery for a second. this should reset the system
Hi and welcome to FixYa,
Initially, pls check the buttons of the remote. Even with a new remote battery, it is still possible that the remote buttons internally are corroded or simply not engaging. Opening the remote to gain access and clean the contacts would be to your advantage. Even if it turn out not to be the culprit, you have at least eliminated one of the possibilities. Electronic contact cleaner sprayed on a cotton bud/swab would be a good switch/contact cleaner.
Pls post back result(s). Good luck and Thank you for using FixYa.
Sounds as if the relay is stuc in the closed position.
This relay is in the "brain" of the alarm. Another unit will be necessary.
Temporarily, you may need to jumper the ignition wire to get it to start.
If you need further help let me know.
Your remote may have a dead/weak battery.
Look to replace it before anything else.
Lastly, call the installer of the alarm and they should come to where you are and repair/replace the item for free. :)
Did they install or show you how to put the car into valet mode?
if you look at the brain, you will see a 10ga. wire larger than the other wires (usually pink/white)
The installation requires the cutting of your original ignition wire and it goes in the input of the alarm... where the relay makes the connection, then comes out the output side, and is re-attached to the original wire going out to the starter.
If you jumper the wire before it goes in the box, and where it comes out of the box, it will bypass the relay and allow the car to start.
I believe the original factory wiring color on a 2005 F-150 is Red/Lt Blue.
You can aither snip the wires and re-****-connect them to return to factory, or you can use alligator clips for a temporary jumper.
Good luck!!
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"you may need to jumper the ignition wire". Can I get a bit more details on this topic.
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