This installation of TCS FL2 Decoder is for HO Scale Tyco 521 streamlined lighted passenger coach and was performed by Thomas Gosser, Big Lake, Alaska


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

http://www.techni-tool.com

The Tyco lighted Combine, Coach and Observation cars are similar to each other so this procedure will cover all three (3) cars. The factory lighting isnt very bright or evenly distributed. You may want
to consider upgrading to LEDs and adding a third light source located toward the center of the car. That way all windows will be equally illuminated.

 

Locate the screw on the one end of the carbody and remove it.

 

Using a small standard screwdriver pry the metal chassis away from the carbody as shown.

 

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On the opposite end of the car are located two (2) mounting tabs. The metal chassis pulls out of this end as you rotate  it away from the carbody.

 

Next you will locate the three (3) wires that are connected together. Pull the cap and untie the wire.

 

Cut the short left rail pickup wire in the middle and strip the ends.

 

Solder together all wires to the harness as shown. The Black and Red wires to the rail pickups. Blue wire to chassis. Green and Purple wires to each light bulb. This will give you separate control over
each light source.

 


Plug the FL2 into the harness and mount to the chassis with some double sided foam tape. Use kapton tape to hold down the wiring. Test installation. Reverse carbody shell removal steps to put it all
back together.


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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