Cessna 140 — Wiring Diagram

This document serves as a wiring diagram for the Cessna 140, detailing the installation and specifications of a new Delco-Remy 35A generator and associated components. It outlines the removal of the previous 15A generator and the installation of new wiring, circuit breakers, and voltage regulators. The document references various technical manuals and service bulletins to ensure compliance with safety and operational standards. It is intended for maintenance personnel and pilots who need to understand the electrical system modifications made to the aircraft.

• Installed Delco-Remy 35A generator P/N 1101898 and voltage regulator P/N 1118704.
• All generator control wiring replaced with MIL-W-22759/16 Tefzel wire.
• The original 15A generator fuse was replaced with a 35A circuit breaker.
• Inspection of generator drive coupling bushings is required per service bulletins.
• Wiring diagram includes specific wire numbers and gauges for various connections.