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Jul 14, 2009 12:00:29 GMT
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I'll start by saying that I don't like them at all.. If someone wants to hurt or move my car, they will. I've just bought an MX5 with an aftermarket 'meta' alarm and it seems really erratic. It goes off at random, doesn't seem to stop from the fob button anymore (it may need new batteries). Anyone got any idea what could cause the random noises from my alarm/imobiliser? Should I just remove the thing? I'll probably get more issues trying to remove it than repairing it thinking about it! I'm slightly at a loss with it to be honest. It just confuses me greatly  |
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Last Edit: Jul 22, 2009 11:26:07 GMT by ben711200
...proper medallion man chest wig motoring. |
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Jul 14, 2009 13:06:07 GMT
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Meta alarms are pretty good. They supply a lot of the OEs. Unfortunately as cars (and their electronic systems) get older a lot of stuff becomes a little trixy and alarms seem to be a favorite PITA on older modern cars.
Most Meta alarms seem to have all black wires to make them harder to defeat by a tea-leaf. This will be your challenge in removing it. They are designed to be hard to remove or bypass.
I would check the remote fob battery first, then any obvious earth or other connections on the alarm itself.
Random alarm going off can be a faulty sensor or voltage drop on your car's electrical system (so the alarm thinks a door has been opened or something).
If basic troubleshooting shows no luck you may need the assistance of a reputable specialist. For obvious reasons decent alarm companies don't provide a lot of detail about thier systems to the public)
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1937 Austin Street Rod - 1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1976 Rover V8 - 1994 Ford Fiesta
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Jul 14, 2009 17:12:28 GMT
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Meta alarms are pretty good. They supply a lot of the OEs. Unfortunately as cars (and their electronic systems) get older a lot of stuff becomes a little trixy and alarms seem to be a favorite PITA on older modern cars. Most Meta alarms seem to have all black wires to make them harder to defeat by a tea-leaf. This will be your challenge in removing it. They are designed to be hard to remove or bypass. I would check the remote fob battery first, then any obvious earth or other connections on the alarm itself. Random alarm going off can be a faulty sensor or voltage drop on your car's electrical system (so the alarm thinks a door has been opened or something). If basic troubleshooting shows no luck you may need the assistance of a reputable specialist. For obvious reasons decent alarm companies don't provide a lot of detail about thier systems to the public)I was a little unsure whether to start a thread because of this.. thanks for your help though, I'll go back to basics and work up, what's the worst that can happen ;D |
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...proper medallion man chest wig motoring. |
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MWF
Posted a lot
Posts: 2,945
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Jul 14, 2009 17:56:29 GMT
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There should be a key you can use to turn the alarm off.
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Ryannn
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Jul 14, 2009 19:20:56 GMT
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Mine isn't a meta system, but it has a little 'screw' on the impact sensor, had to turn it down abit the other day because the rain was setting it off!  |
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Jul 14, 2009 20:50:15 GMT
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There should be a key you can use to turn the alarm off. I have that key.. I'll be blowed if I can find the hole it goes in though! |
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...proper medallion man chest wig motoring. |
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Jul 14, 2009 21:07:10 GMT
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Just a thought, is the car parked in the same place when it plays up. Had a meta alarm on my last bike and it was very sensitive to locations, something to do with radio interference.
Was getting used to pushing it away from the offices at work with the alarm blaring just so I could turn it off with the fob.
Ade
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Jul 14, 2009 21:08:20 GMT
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The rain has been setting off my clifford concept alarm recently, I think the humidity makes it more sensitive aswell?
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Jul 14, 2009 21:44:40 GMT
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There should be a key you can use to turn the alarm off. I have that key.. I'll be blowed if I can find the hole it goes in though! look on the side of the siren, there is a keyhole covered by a rubber grommet  |
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To get a standard A40 this low, you'd have to dig a hole to put it in |
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Jul 22, 2009 11:32:20 GMT
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It wasn't on the siren in the end, it was under the dash.. But, it's getting more confusing for me. As soon as the battery is connected I can't turn the thing off with either the remote or the manual override key thing, the tone of the alarm constantly changes, and goes from siren noises to a constant high pitched scream. Despite not being able to stop the noise though, I can turn off the imobiliser (I think on the remote) and start the car.
The car had sat for 18 months or so, and I have welded on it recently so my train of thought is currently as such..
My car's battery isn't much cop, and despite having enough oomph to start the car, it's not constant and stable enough for the alarm
I've broken it with welding current spikes and stuff (unlikely but possible)
Having gone to the Meta Alarm website, every single piece of advice is 'go to your local dealer'. Not much use when I want to do it myself and the car isn't MOTd to take it anywhere anyway..
oh dear. any more ideas?
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...proper medallion man chest wig motoring. |
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Jul 22, 2009 11:48:41 GMT
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disconnect the siren... if the immobilisor works anyway who cares how much the alarm screams if no one car hear it |
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Jul 22, 2009 13:05:56 GMT
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Sounds like its goosed. I would hoik the whole lot out for peace of mind reliability-wise.
If the thing is going Benny at the slightest provocation, the last thing you want is for the immobiliser to start playing up too.
Follow the wires and make carefull notes. Its not that difficult to remove, but you have to be sure you reconnect whatever the immobiliser disconnects.
The alarm will have a live, and earth, possibly an ignition live, a wire to the door switch, possibly wires to aditional switches on bonnet and boot, wiring to the interior movement sensors(if fitted), wiring to the flashing LED on the dash and wiring to whatever deactivates the immobiliser, either a touch-fob thing on the dash of a receiver near the ignition switch that picks up a transponder on the keyring.
The immobiliser normaly cuts 2 circuits (therefor 4 wires) - you need to follow the wiring to find which wires on the cars loom have been cut, and just reconnect them.
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1986 Panda 4x4.
1990 Metro Sport.
1999 Ford Escort estate.
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Jul 22, 2009 16:40:07 GMT
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Thanks for the advice Dave and RW, I'll be doing both those things (siren disconnected to take it to the MOT station, whole lot out on my next free lazy saturday..)
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...proper medallion man chest wig motoring. |
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Jul 22, 2009 21:23:24 GMT
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I had trouble with the alarm on a Corrado I had - it wouldn't stop going off one evening while I was fiddling with it so I unbolted it and cut the wires and walked around the corner from the garage with it going off in my coat pocket. :-) Smashed it to bits with a big hammer.
I've removed a few now and it's not too difficult to work out what wires are not original especially with the shoddy way some are fitted then join the original wire back together bit of heatshrink over the join etc.
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Tim
Posted a lot
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Jul 22, 2009 21:33:29 GMT
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Had problems with the one on my civic so just turned it off - didnt apear to be wired in properly
Car alarms are completely pointless anyway - they get universally ignored !
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