Overview

Manufacturer: John Deere

Product: Rotary ignition switch

Part number: TCA22740

This rotary ignition switch serves as an OEM-style replacement for John Deere equipment that requires a rotary ignition control. It governs the ignition circuit and lock cylinder, enabling engine start and stop via the key. Designed for installation in compatible Deere tractors, harvesters, and implements that utilize the TCA22740 switch.

Key Features

• Part Number: TCA22740
• Type: Rotary ignition switch
• Suitable For: John Deere equipment that lists TCA22740 as the required ignition switch (OE replacement)
• Installation Tips: Disconnect battery before work; verify connector compatibility with the OEM wiring harness; align with the correct keyway orientation; secure mounting with standard hardware; test OFF/ACC/RUN/START positions after installation to ensure proper operation

Compatibility

• Suitable machine models: John Deere equipment that uses the TCA22740 Rotary Ignition Switch (exact model compatibility not specified in provided data)
• Alternative part numbers: None listed