1920 Haynes Wiring Diagrams

1920 · Haynes · Original historical scans

Original wiring, in one place.

View 3 original wiring diagram sets filed for the 1920 Haynes. Select the diagram or equipment below, then open the original sheets.

Models and applications in these sheets: 45; 47 and 75; Models 40, 40-R, 41, 44, 46.

Circuits in this package: charging, horn, ignition, lighting, starting.

1920 Haynes

Historical scan

View diagram →
Original 1917–1920 Haynes Models 40, 40-R, 41, 44, 46 wiring diagramView diagram →
Models 40, 40-R, 41, 44, 46 — Vehicle wiringSource: National Automotive Service — Internet Archive
Original 1919–1920 Haynes 45 — Leece-Neville wiring diagramView diagram →
45 — Leece-Neville — Wells original blueprintSource: Wells' Automotive Wiring Manual (1922) — Internet Archive
Original 1920–1922 Haynes 47 and 75 — Leece-Neville wiring diagramView diagram →
47 and 75 — Leece-Neville — Wells original blueprintSource: Wells' Automotive Wiring Manual (1922) — Internet Archive
Included diagrams and original sources
All Haynes diagramsAll makes and years

Historical scans are shown as published, with original markings intact. Check the year, model and equipment on the source sheet before use. Shared diagrams may appear in several year packages and are counted once in the collection. Need the rest of the manual? Visit the Library.

Original wiring diagram

Open source ↗