6 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHhorn problems
Leading reported evidence
Check fuse and it was blown
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Leading evidence: 'Check fuse and it was blown' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check fuse and it was blown' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
I replaced the fuse, then tried to blow the horn to no avail.
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Performed · outcome unconfirmed · Original poster
When I use the alarm, I hear the beap, but no traffic horn.
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Discussions that contain suggestions
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Suggestion
Pull the airbag unit away from the wheel, disconnect the airbag.
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Suggestion
Now the screws can be pretty tight, so what I do is I have a snap-on torx driver that has a hex portion at the base, using a 3/8 box end wrench I break them loose.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T182539Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I have a 00 C4 in which the horn started acting up. It became sensitive on the left side with minimum pressure. Yesterday, it just stopped working. I checked the fuse and it was blown. I replaced the fuse, then tried to blow the horn to no avail. I rechecked the fuse and it was blown. When I use the alarm, I hear the beap, but no traffic horn. any suggestions? thanks
It probably needs the horn/airbag retaining frame in the steering wheel. The four spoke steering wheel was notorious for this. 993 and early 996. usally the symptom was the horn would sound under heavy braking, would freak people out. part number is 993-347-088-01. The rubber bushings wear out, yours is most likely shorted to ground, causing the fuse to blow.
thanks for your replys. I will start with both of these. If it is the horn relay, where is that located. Also, if it's the airbag frame, is it a DIY? Called my local Indy and he said something about the frame as well. He wanted about $260 parts and labor. I would much rather do it my self. Is it trickey dealing with the airbag?
Removing the airbag can be a little tricky sometimes. You need a T-30 torx at least 50 mm long. There are 2 holes in the back of the steering wheel, insert torx driver into holes, fumble around until you engauge the torx bit. Now the screws can be pretty tight, so what I do is I have a snap-on torx driver that has a hex portion at the base, using a 3/8 box end wrench I break them loose. What ever you do, DO NOT round out the torx head, or you will be SOL. If you get this far, loosen the two torx screws, now you can either disconnect the battery at this time or just turn the key off, for saftey reasons I would advise you discconect the battery, but if you like to live life on the wild side just turn the key off. Pull the airbag unit away from the wheel, disconnect the airbag. (reason for battery disconnect). Now the frame is now visible. I think it is held in with 18 or 19mm bolts(4 of them). pull the wire off the frame. Now you will see that the torx screws that hold the airbag in are placed between the frame and wheel, make shure the return to there home when you install the new frame. Perform the above steps in reverse order, install new fuse and you should bo good to go.
