Graham Farish Duchess Class 'City of London' DCC Conversion

Mistakes may damage your locomotive, controller or other accessories. Use a multimeter to make absolutely sure you have completely isolated the motor from the track before testing. Always use the Programming Track for testing. Our guides are provided for reference only, and you proceed entirely at your own risk. Unsure about something - try our DCC Conversion Service instead.

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This conversion follows the Graham Farish insulating bush (Digihat) method to isolate the lower motor connection from the chassis. The best place to fit the decoder is in the tender. Models covered by this guide include:

• Duchess Class 46229 'Duchess of Hamilton' in BR maroon (1816, 372-178)
• Duchess Class 46245 'City of London' in BR lined green (370-100)
• Class 8P Coronation 6234 'Duchess of Abercorn' in BR lined green (372-176)

In this conversion, the customer required the decoder to be easily removable, hence the use of a 6-pin harness in the tender instead of the hard wired decoders normally used.

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