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Random alarm which won't stop

  #1  
Old 01-04-2019, 01:32 PM
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Join Date: Jan 2019
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Question Random alarm which won't stop

Hallo everyone. I'm having a problem with the alarm on my 2005 Honda CRV and am hoping someone can help or at least shed some light on what's going on.

I've had her for 5 years now and she's never given me any problems. I'm not sure if it's related or just an uncanny coincidence, but since I had a dash-cam fitted about 3 weeks ago (hard-wired into the fuse-box underneath the steering column) the alarm has been going off randomly. I can rarely stop it. I lock and unlock the car, start the engine and even drive along the road, but the siren won't stop.

Iíve had a new battery put in the key-fob and the car battery itself checked (itís at 70%) The alternator is also fine. I Ďhaveí noticed recently that thereís a red light on the instrument cluster RHS (immobilizer?) which flashes when I arm the vehicle which I havenít noticed before (and doesn't happen all the time)

For the last few days, Iíve disconnected the dash-cam each time I leave the car/arm it, and 9 times out of 10 the siren doesnít go off, so I thought this was the solution. However, the siren started going off tonight when the car was just parked in the driveway and no cam attached. Ps. None of the lights flash when this happens Ė only once when I drove the car down the road did the hazard's go nuts.

My mechanic has had it on the ramp but is at a loss! If anyone can give any suggestions it would be much appreciated! Thank you : /

 
  #2  
Old 01-04-2019, 03:24 PM
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Weird things can happen when you add electrical accessories. I would suggest starting by restoring all the electrical stuff to original specs, and make sure the problem goes away. Then add your cam to a circuit that is not connected to your computer, immobilizer, or alarm.
 
  #3  
Old 02-16-2019, 06:17 AM
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Thanks Lochinvar. She's been to the Honda garage three times now and all they keep saying is the battery in my siren is probably on it's way out. I've told them I'm not convinced and that the problem is relating to the alarm itself. But they seem fixated on this.

When I'm driving along, the immobilizer light will sometimes start flashing on the instrument cluster and then all hell breaks loose (hazards etc. like she thinks she's being stolen) If I stop the car, turn the engine off, and arm/disarm her, everything returns to normal for a while. I've since let Honda disconnect the siren and guess what? It STILL happens so it isn't the siren at all. This also puts me in an awkward position with my insurance company as I'll have to let them know.

I took your comments on board about having the dash cam removed altogether (as mentioned in my initial post, this problem started the day after it was fitted) but I worry the damage has already been done. If I disconnect the cam entirely i.e. unplug it from the fuse box, the problem persists but not as regularly. I think the alarm itself has been upset. Is there such a thing as a re-set that the mechanic can do?? Please advise because if Honda can't even figure it out, I'm lost.
 
  #4  
Old 02-16-2019, 10:28 AM
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Location: Evans Ga.
Posts: 2,691
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I would still remove the dash cam completely for awhile and see what happens.
 
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