I found this thread a couple weeks ago and it jinxed me. The horn on mine doesn't work, but this afternoon, while buying some smokes, the damn thing started honking all feeble and sickly-like.
I assume the grounding the sensor in the trunk or unplugging the hood sensor are ways to disable the alarm when it's getting false triggers from those points, while grounding the wire in the fuse box is an overall fix, correct?
Thanks. That alarm horn is super gay.