Choppercache Motorcycle Wiring Library

02 public maps

02 bike systems

02 diagram sources

Choppercache originals and approved community sheets live together, with the source kept visible.

BUILD 14B48703EDEA4C5FBCFB35C4

Harley-Davidson / 1978 6 circuits

1978 Harley Sportster XLH Chopper Diagram

An interactive wiring diagram for a 1978 Harley-Davidson Sportster XLH chopper.

Choppercache original Drawn and maintained in-house

Interactive wiring builder Open bench sheet

Harley-Davidson / Shovelhead 5 circuits

A minimal interactive wiring diagram for a 1970-and-later Harley-Davidson shovelhead kick-only setup.

Diagram trace Published with creator approval

Interactive wiring builder Open bench sheet