Start with some ear plugs. (Installed). hah gotta have a sense of humor when dealing with a stuck horn. Earplugs will help you deal with locating the source (abnormal) and following it back (with something that senses polarity) to where the car functions normally.
For some reason my 1g dsm thought it would be funny to leak oil into the turbo and burn it up at the same time, my mecahanic thought it was funny too, i didn't get the joke (neither did my wallet) hope your car doesn't have a turbo with a sense of humor cuz' it sounds like ours are related...
Not ment to be a stupid reply but are you absolutely sure you are grounded properly (tight at the battery and tight on the chassis). new battery etc... ive done it before... replaced everything imaginable and then you wiggle the negative and get loose terminal confirmation. does the car die...
Use a logic probe or something of that sort to determine if you have +power going to the bulb in question. (or swap the bulb in question with one you know that works (like the passenger side one.) from there you should be able to diagnose what to replace ( bulb, or , fuse, or wires <in most...
My clutch is horrible. Hold clutch in for 2 secs. before you shift up, dont even think about downshifting unless you match the rpm's. Press clutch let it out then press it to the floor to get into first. It never ever slips though. I can lift the pedal up about an inch after I take my foot...