Hi guys,

I have a question,i have bought a short boss of ebay and will be planning to buy a works bell steering wheel quick release.The short boss has one wire while the works bell mounting hub has two wires one im guessing is used to earth it but don't know which wire connects to which.Can anyone shed some light.

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  Short boss.jpg (166.11 KB)


  Works bell quick release.jpg (6.11 KB)

Earth=horn

Yes, Horn trigger wire connects to earth via the Horn Button

With two-wire Horn Button:
* earth wire
* Horn trigger wire

With single-wire Horn Button
* earthed via the screws/fasteners
* Horn trigger wire
Connect the Horn Button wire to the un-earthed hub wire



Works Bell hubs will have one to five wires, depending on the Works Bell model. The extra wires are for fancier Steering Wheels

The steering wheel Hub connects to the Horn trigger via the spring-loaded contact riding on the bottom of the hub

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  Works Bell hub bottom side.jpg (97.88 KB)


  Horn Contact 23134.jpg (63.38 KB)

And if getting engineered they won't pass with a quick release

First find which one on the column goes to the battery (maybe just follow the cable), and then for the wheel which one goes to the contactor and which one goes to seemingly nothing. The nothing wire will be your earth, and the contactor will be the horn. (Hopefully I'm not completely wrong here)