sometimes it is due to a weak battery.
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.
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.
Test is for what? To see if it works? OR To see why it goes off for no apparent reason?
Search: Double-Diode Isolation
Owners manual, or the service department
someone or something to pass by it or touch it
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.
Check the door light switches. One could be going bad and triggering the alarm.
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.
The most likely cause. The ultrasonic sensors have picked up air movement in the cars interior.
The alarm, traditionally sounded to avert danger, became the apparent cause of the avalanche is an example of