I have been having this probywith my M45 2003/04 for sometime now. Sometimes, the horn does not work, when I press it to hunk. It happens when the engine is at operating temperature, or so. Sometimes, it does not even work when the engine is cold.
I'm thinking this could be related to the horn relay going bad, or can the spiral coil in the steering wheel cause this?
Intermittent horn operation
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VStar650CL
- Technical Expert
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- Joined: Thu Nov 12, 2020 1:25 pm
- Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S
Re: Intermittent horn operation
Yes, the spiral cable can cause it. Usually if it's going bad, you'll start to lose all the buttons on the wheel one or two at a time. If anything else on the wheel is out, don't bother with diag, the spiral is bad. It's also usually positional, you'll have the horn in certain wheel positions and not in others. If you can catch it in the act in a bad position, pop the lower column cover and jump ground to the horn wire in the spiral cable connector. If the horn blows with the jumper but not the wheel, your spiral is bad.
Re: Intermittent horn operation
Thanks so much. Would try thisVStar650CL wrote: ↑Sun Feb 28, 2021 5:43 amYes, the spiral cable can cause it. Usually if it's going bad, you'll start to lose all the buttons on the wheel one or two at a time. If anything else on the wheel is out, don't bother with diag, the spiral is bad. It's also usually positional, you'll have the horn in certain wheel positions and not in others. If you can catch it in the act in a bad position, pop the lower column cover and jump ground to the horn wire in the spiral cable connector. If the horn blows with the jumper but not the wheel, your spiral is bad.
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