How to convert N Gauge Graham Farish Class 4F to DCC

This guide covers the following models:

• Class 4F 4232 in LMS Black livery (1841)

Digihat Conversion

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. Be careful to make sure the metal parts inside the tender are isolated and cannot contact any part of the decoder, or any exposed bare wire ends. Models covered by this guide include:

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.