This installation is for Athearn SD 45T-2 uses TCS T1 decoder and was performed by TCS Customer

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

This installation requires a two function decoder.  The Train Control Systems  T1 decoder is the best choice. It  fits "plug n play" with the connector supplied with the locomotive.  The locomotive light bulbs are 1.5 volt but the necessary voltage dropping resistors and diodes are mounted on the locomotive light board.

 

To install the T1 decoder:

1. Remove two Phillips head screws on underside of the loco. There is one screw  located on either side of the fuel tank between the tank and the trucks.  

2. Remove couplers   

3. Lift body straight off.  

4. Remove jumper board that is plugged into the 9 pin harness.  

5. Plug T1 decoder into the harness.  We formed the harness wires slightly to allow the T1 decoder to seat against the light board as shown in the picture. 

6. Test operation.  If all is ok, reinstall body with the screws.  Reinstall the couplers and the installation is complete.

 

T1 decoder installed using the harness supplied with the locomotive.

Photo shows harness before T1 decoder is installed.


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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