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As I posted earlier, I have noticed a ticking sound under the dash on the front passenger side. I have determined it to be the alarm as I saw the headlights flashing when it got dark outside. How can I disable the entire alarm system?? Obviously the horn has already been disabled, but not the lights and it comes on for no reason.
 

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90 300 SE ,85 300 GD
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I think if you check, the noise is coming from under your paasenger floormat. Remove the mat and the floor covering and you will find two plugs. The one closest to the outside (red?) is the culprit. You should be able to unplug it and tape it up with no damage or effect to other parts of your 300's operation. There is a bunch of stuff under that floor! Another reason not to spill liquids etc.in the floor of your car![:I]
 
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