I am researching this myself due to a faulty alarm that keeps me from starting my own car. As soon as I get the answer I'll pass it along.
You can not disconnect the factory alarm, it is built into the computers.
The factory fitted alarm on a 2003 Corolla will not arm if the wires have been cut to the alarm. If the vehicle was purchased used, this is a good possibility.
The factory alarm can not be unhooked or disabled.The factory alarm can not be unhooked or disabled.
A person can get a layout for this cars factory fitted alarm systems in the cars maintenance manual. It can also be obtained in the repair manual or with the original alarm system.
hi its probably an immobilizer rather than a car alarm.
My vectra is a 1999 S plate and has a factory fitted immobilizer, I think that alarm/ immobilisers were fitted as standard the year after mine.
easy! disconnect the battery for 15-20 mins *. Darren Nunez * this does not 'disarm' the alarm, to do this, remove the service fuse #12. be warned that you will loose the computer and the aircon/heater if you do this but it stops the alarm going off! - nbc
trying to change steering column in 96 explorer and alarm went off how do i disconnect the alarm
The factory alarm is an integral part of the engine and body computers. It can not be disconnected.
The factory alarm is part of the engine and body computers, it can not be disconnected.
The factory alarm is part of the body computer programming and can not be removed.
The factory alarm is built into the body and engine computers and can not be removed.