It's a 'big' sound, with lots of functions provided by Locoman. So, the LED had to be pushed through more than is usual (needing a larger hole than typically 3mm), and the connections and resistor were moved to the shallow space underneath the cab. There is very little room between the end of the motor and the back plate of the firebox. The decoder is set at an angle to reduce the height, just enough, so then it fits into the upper corner of the tender body. The decoder, first small pieces of 'hot' tape were added, where black tack used to fix the edges of the decoder to the weight. The speaker was moved to one side of the weight (fixed with black tack). Insulation needed before loading the decoder. Here are the connections - see D & H manual - SD22A decoder. Wires soldered to the decoder for the stay alive and firebox flicker. Now for the sound decoder, and preparation for an extra 2 pin micro-connector to the loco, for the firebox LED. I have used a combination of a short razor saw and scalpel, which seems to be the easiest method for me, but it does take a while. Now for the cutting and carving to remove most of the coal pan. Start by clipping away the standard speaker housing. The Zen stay alive can fit under the weight. On this occasion, I managed to keep the original weight in the tender, however to get a large speaker to fit there was a fair amount of cutting and carving. The first, is the W1 rebuilt, 10000 with corridor tender The plan was to fit a large speaker to the tender, install a stay alive, and perhaps firebox flicker. I purchased the D & H sound decoders from Locoman Sounds for these locomotives some time ago, but have only just carried out the installation.
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