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This installation is for an HO-Scale Bowser SD40-2 using a TCS EU821 Diesel Decoder. This install was performed by TCS.
The Bowser SD40-2 has 7 light functions, and with its 8 lighting functions the EU821 Diesel decoder supports all of them.
Note that this is the same installation for both EU621 and EU821. The main difference between the two decoders is the EU621 is six functions and supports
Railcom. The EU821 is an eight function decoder that does not support Railcom.
Please do not use any flux either liquid or paste on the mother board. It will damage it. Use only Rosin core solder approved for electronics use.
We recommend to use only Kester "44" rosin core, SN63PB37, .015" diameter, part number 24-6337-0007.
This can be ordered from Techni-Tool under Techni-Tool part number 488SO157
When stripping wire, only strip a tiny little bit of the insulation. Strip no more then a 1/64 of an inch. When the wire gets tinned with solder, the insulation will shrink back more. Try to not expose any more wire then 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