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Mongoose Alarm Help

sly32

By sly32,
in Car Audio & Electrical

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sly32 Proficient

sly32

Posted
Posted

hey,

so my car was getting harder and harder to start because of my mongoose mx40 immobiliser, so one morning it stopped working (i only have 1 remote) and so i pulled the battery out, its a23 battery only had 6.5v so i was like well i guess that is the problem, bought a new battery and it would work first time everytime,

then about a week later went to start my car but it wouldnt work, so i fiddled with the battery but still didnt get anything, left it for 2 more days as i was pissed at it and it worked straight away,

so what could be wrong with this? the remote maybe? anyway of getting a new 1? the red light does come on when pressing the button, so i really dno what it could be?

any help would be good,

Cheers

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https://www.sau.com.au/forums/topic/264313-mongoose-alarm-help/
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sly32 Proficient

sly32

Posted
  • Author
Posted
i have the extact same problem in my car, except i got the mongoose m80. was working fine in the afternoon then coudndn't start my car at all at night.

im gona call the alarm guy to come check it out tommorow, will let u know.

ok cheers man, yeah mine didnt work in the morning both times, not sure if it was to do with the cold or wat, but it hasnt been that cold,

so yeah i really wanna sort this out,

bob san Community Regular

bob san

Posted
Posted

hey found the problem, it was only a flat battery. i had 1 volt left on it lol.

anyway the alarm guy also told me everytime u change the battery u have to arm/disarm the little black box thing (dunno what its called) thats next to the battery with the little key that u got with ur alarm. (kinda looks like a steering wheel lock key but smaller).

otherwise ur car won't start.

hope this helps.

  • 1 year later...
Marteh Rookie

Marteh

Posted
Posted

I've just recently encountered a similar problem with the M80 immobiliser.

The range at which I could open my car (Since the remote serves as both arming/disarming the engine aswell as opening/locking the doors) significantly decreased over time, indicating a fade of battery life.

Sure enough, it eventually stopped working however, luckily I was at home and I was able to get my spare remote.

After reading this thread I was intruiged as to what "key" you are speaking about? Is it not simply a change of battery and away you go?

I was simply given two remotes with a safety card and pin incase I ever cannot use the remote.

Unfortunately I cannot send PM's yet (since I roam the forums and never post :)) - Hoping someone can help :)

Jaredo Explorer

Jaredo

Posted
Posted
I guess he's talking of the small key to turn off the siren.

Without that key, you can't easily remove your car's battery. The siren has its own on board power and it will go right off as soon as you remove a battery terminal.

And with the alarm within 1m of your head its frikn loud as fk lmao. Remember having to change the battery in my old car and forgot that key much fun.

With the battery backup sirens, its quite painful doing any battery disconnecting without being able to turn off the siren.

niksta Collaborator

niksta

Posted
Posted

I have a problem with my M80, when I turn the car off it should time out 20 sec before the immobaliser kicks in and the display LED flashes fast, then bam it immobalises it self. But some times after turning the car off the LED doesn't flash or come on at all for around 1min and when I get out the car it won't lock, have to do it with the key. Strange much?

  • 4 years later...
shubby0901 Community Regular

shubby0901

Posted
Posted

I have a problem with my M80, when I turn the car off it should time out 20 sec before the immobaliser kicks in and the display LED flashes fast, then bam it immobalises it self. But some times after turning the car off the LED doesn't flash or come on at all for around 1min and when I get out the car it won't lock, have to do it with the key. Strange much?

Having the same issue, randomly started. Alarm rings but dies not lock or unlock the doors. Led flashes rapidly when unlocked and then it immobilised and resutns to normal flashing. Any help guys?

  • 2 weeks later...
Sklyn Grand Master

Sklyn

Posted
Posted

Often fast flashing led after disarming is a sign that the alarm had been set off and needs resetting to clear the code, my old alarm the number of flashes told you which sensor was activated. Not sure this will fix the issues or if its relevant to your alarm, but search for how to do this and give it a shot.

shubby0901 Community Regular

shubby0901

Posted
Posted

Thanks to another member on this site who PM'd me, my thoughts were confirmed. The twin connector bit that connects the door lock rod and the actuator rod had come loose and so the alarm didn't know that the door had locked or not.

What I did was:

Take the door panel off,

Replace the missing screw on the double connector

Enjoy the locking/un-locking door :yes:

shubby0901 Community Regular

shubby0901

Posted
Posted

You would be better off finding an N15 pulsar door catch assembly and swapping it in. You will not need to adjust that at all.

Been told this a few times. Perhaps when it breaks next time, ill change it out.

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