Quick answer
If your horn only sounds at certain angles, or cruise won't latch after an upgrade, it usually comes back to clock spring alignment or a stack-height mismatch between adapters. Re-centre the clock spring to the supplier marks, then check your connectors before you order new stalk parts.
Problem
- You want the horn, cruise and indicators behaving normally after an upgrade.
Symptoms
- Your cruise drops out, and the horn only sounds at one angle.
- Your indicators self-cancel at the wrong point.
Cause
- Cruise and horn paths change with stalk routing, adapter stack height and clock-spring alignment. If you mix aftermarket parts, you can lose features.
Fix Step-by-step
- List the features you can't lose: cruise on the stalk or on the wheel, phone, horn pad height. Order your adapters against that list, not against close enough.
- Audit the stack height: your hub, quick release and wheel dish have to fit within the clock spring's travel. Common mistake: you only get horn contact at one angle because the pad sits too tall.
- Set the clock spring neutral: follow the clock spring care article, line up the neutral marks and make sure it can't free-spin with the wheel off.
- Check your connectors and grounds: the SRS plugs click fully home, and the column and dash earth straps go back on. Don't leave the bolts for later.
- Prove the horn first: stationary, at several steering angles, before you get to road speed.
- Road check the cruise: on a legal test stretch, try set, resume and cancel. If you don't have a stalk, confirm your wheel buttons map correctly.
Typical upgrade mistakes
- Wrong-year stalk internals: the plug fits, the index tab doesn't and the cancel cam misses.
- Horn ground running through cosmetic horn ring hardware: it works until corrosion sets in.
Horn booster install video
See how the horn booster and the original horn wire connect at the back of your horn pad.