I posted a little while back about my alarm only doing 1 chirp when activated. Today I removed the horn, and in doing so my alarm starting working (headlights flash repeatedly) Thinking I just had a bad horn on my hands, I tried hooking up the wires that go to the alarm horn to my regular horn and it went back to only do one chirp....
So basically, when the horn is removed the alarm works....

Does anyone have any suggestions? Anything at this point would help, like what components are used for the alarm and the location.

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1992 190E 2.3
150,000 Miles