1921 National Wiring Diagrams
1921 · National · Original historical scans
Original wiring, in one place.
View 2 original wiring diagram sets filed for the 1921 National. Select the diagram or equipment below, then open the original sheets.
Models and applications in these sheets: Series 'BB'; Sextet.
Circuits in this package: charging, horn, ignition, lighting, starting.
Included diagrams and original sources
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Series 'BB' — Reed original wiring plate · 1 sheet
Reed Service Manual (1912–1928) — Internet Archive · Original scan · leaf 598 -
Sextet — Westinghouse — Wells original blueprint · 1 sheet
Wells' Automotive Wiring Manual (1922) — Internet Archive · Original scan · leaf 474
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 Manuals & Literature in The Library.