1921 Buick Wiring Diagrams
1921 · Buick · Original historical scans
Original wiring, in one place.
View 3 original wiring diagram sets filed for the 1921 Buick. Select the diagram or equipment below, then open the original sheets.
Models and applications in these sheets: 44 through 50; Model 6-21 diagram; Model D44-D45-D46-D47 diagram.
Circuits in this package: charging, horn, ignition, lighting, starting.
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View diagram →Included diagrams and original sources
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Model 6-21 diagram · 1 sheet
The Old Car Manual Project · Original sheet -
Model D44-D45-D46-D47 diagram · 1 sheet
The Old Car Manual Project · Original sheet -
44 through 50 — Delco — Wells original blueprint · 1 sheet
Wells' Automotive Wiring Manual (1922) — Internet Archive · Original scan · leaf 68
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.