This installation of TCS KAT12 Decoder is for HO Scale Atlas Trainman GP39-2 Ph1 and was performed by TCS

Important Soldering Tip:
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

First take off the couplers by removing the screws identified in blue below and sliding them out either end of the frame.

Next lift off the shell and you should be presented with a lighting board and a dummy plug as seen below.

Now remove the dummy plug, install the T-1" harness (remember to orient the orange wire with the arrow for pin one on the socket), and plug the KAT12 into the harness.

Finally fold the KAT12 back over the NMRA plug and kapton tape it in place.

Replace the shell and the couplers and you are now ready to run with Keep-Alive™ protection!

Other solder tips: 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

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