Car Horns for Bicycles (Build 3)

Third build is now completed.

Its features are:

  • FIAMM 74100 El Grande – Twin Horns – Red
  • 12V 30A relay
  • 20A fuse
  • Horn button
  • 2.1mm charging socket

 

instructions edited
Complete Wiring Diagram
wiring diagrams
Diagram for enclosure

 

 

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