1920 Leach Wiring Diagrams
1920 · Leach · Original historical scans
Original wiring, in one place.
View 1 original wiring diagram set filed for the 1920 Leach. Select the diagram or equipment below, then open the original sheets.
Models and applications in these sheets: Biltwell Power Plus Six.
Circuits in this package: charging, horn, ignition, lighting, starting.
View diagram →Included diagrams and original sources
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Biltwell Power Plus Six — Wells original blueprint · 1 sheet
Wells' Automotive Wiring Manual (1922) — Internet Archive · Original scan · leaf 371
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.