[W126 Coupe] Please Help, alarm issues..

[Steve Nervig]

On May 16, 2005, at 3:04 PM, Habib Smith wrote:

> I have an '87 560 SEL and its alarm is now going off every time any  
> door is opened, locked or not. It also stays on while the car is  
> going down the road! In the process of disconnecting the alarm  
> control unit, after unplugging the smaller of the two, I noticed  
> the unit was making a clicking sound very similar to the sound made  
> when the turn signal is switched on. Unplugging the larger one  
> eliminated the clicking. Plugging it back in, as well as the  
> smaller one, the clicking is gone. I closed the car door and opened  
> it again, Surprise, alarm..
> At the moment, the Becker radio is disconnected. I was thinking  
> this could be related to the issue since there is a Becker label on  
> the alarm control unit, but the car has been driven for a while now  
> without the radio connected, so why is the alarm all of a sudden  
> going off? I remember this same issue happened in my 560 SEC,  
> though its radio was hooked up. Any help/advice would be Much  
> appreciated! thanks, James

If this is an early '87 (prior to 03/87), you might try disconnecting  
just the level change sensor, N27, which is located in the fwd left  
corner of the trunk. This sensor sometimes caused problems.

Steve


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