1912 Inter-State Wiring Diagrams
1912 · Inter-State · Original historical scans
Original wiring, in one place.
View 2 original wiring diagram sets filed for the 1912 Inter-State. Select the diagram or equipment below, then open the original sheets.
Models and applications in these sheets: 40, 41 and 42; 50, 51 and 52.
Circuits in this package: charging, horn, ignition, lighting, starting.
Included diagrams and original sources
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40, 41 and 42 — starting and lighting — Wells original blueprint · 1 sheet
Wells' Automotive Wiring Manual (1922) — Internet Archive · Original scan · leaf 324 -
50, 51 and 52 — Apelco — Wells original blueprint · 1 sheet
Wells' Automotive Wiring Manual (1922) — Internet Archive · Original scan · leaf 325
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.