voltage drops on a weak battery can cause the alarm to trip. Whenever power is interrupted, even for a short time, the alarm will trigger. Sometimes not right away, but usually after the first drive after the power failure.
looking for a diagram for 1999 Mercury Mountaineer. Need to take the fuse out for the seatbelt alarm, it will not shut off.
The Mercury Mountaineer is a classy SUV. Some models have been known to have faulty alarms that either go off randomly or fail to go off when they should.
Search: Double-Diode Isolation
sometimes it is due to a weak battery.
The alarm sounded continuously. or The sound of the alarm was continual. Depending on the tense
Owners manual, or the service department
Car alarm needs to de-activated.
my alarm goes off at random times. i had the alarm module changed for $700 and it still goes off. come home from work at 4 and it goes off at 10. before the alarm module was changed it went off at 12, 2 and 4 in the morning.
I've had that happen in my 2002 mountaineer. what I've found is that if you spray the door latches with wd40 it will clean off the sensors and the door ajar light should go out. but make sure all the doors are shut.
Are you sure you're setting the alarm and not accidentally hitting the panic button?
a constant beep is the overheat alarm a beep that goes in and out is low to no oil alarm
Don't. many try to to do that to install aftermarket alarms but since that is part of ECU programming many have never ending problems as a result. Add on to it if you need more or add a lojack. If you need to reset, an auto locksmith can do it easily.