This was performed by our friends from DCC Xpress installations.
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This installation documentation is for the HO-Scale AusTrains NR Class Cv40-9i locomotive. This installation uses a WOW121 decoder, AK-MB1 motherboard with Keep Alive® and UNIV-SH1-C WOWSpeaker kit. This beautiful model has several lights including headlights, class lights and ditch lights.
Please do not use any flux either liquid or paste on the mother board. Over time, the acidic properties of liquid or paste flux will begin eating away at the fiberglass PCB and will damage it. Use only Rosin-core solder or no-clean flux approved for electronics use.
TCS recommends the use of Kester "44" Sn63 Pb37, .015" diameter Rosin-core solder. Kester part number 24-6337-0007.
When stripping wire, only strip a tiny little bit of the insulation. Strip no more than a 1/32 of an inch. When the wire gets tinned with solder, the insulation will shrink back more. Try to not expose any more wire than half the length of the solder pad at most. In no case should solder or exposed wire wire ever be outside the boundary of the the solder pad you are attaching a wire to.
Click here for important information on properly Stripping and Tinning wire