N-Brass Locomotives L Class 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.

This guide covers the N-Brass Locomotives L Class models, including:

• N-Brass Locomotives SE & CR Wainwright L Class 31764

This is a rare tender-driven loco that uses a Graham Farish chassis. There are pickups at both sides in both the loco and tender, connected together by the drawbar and a black wire respectively.

Step 1 - Remove Tender Body

Pop the coal load out from the top of the tender. Gently lift the tender body up, being careful not to bend the metal wire transmitting drive to the loco.

Step 2 - Remove Pickup Wires

Desolder the pickup wire from one side of the motor. Desolder the two pickup wires going to the other side of the motor.

Step 3 - Position Decoder

Fix the decoder in place at the back of the tender using some black tack or a sticky pad.

Step 4 - Connect Motor

Solder the grey and orange wires from the decoder to the motor contacts.

Step 5 - Connect Pickups

Splice the red wire from the decoder to the single black pickup wire. Use heat shrink sleeving to cover the join.

Splice the black wire from the decoder to the two pickup wires at the other side. Again, use heat shrink sleeving to cover the join.

Step 6 - Test

Place the loco on your programming track and read the loco ID. The loco should perform the usual backwards/forward shuffle. Assuming all is well, arrange the wires and decoder so that nothing can get trapped, and re-fit the tender body.

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