This installation is for a HO-Scale Stewart Alco Century 628 using a TCS WOW101-Diesel Decoder, KA4 with Keep Alive™
and UNIV-SH4-C WOWSpeaker kit by TCS.
HO-Scale Stewart Alco Century 628 prior to installation.
To begin this installation, remove the coupler screws highlighted above in red and the couplers.
Gently grasp the shell on either side and lift off.
The locomotive shown with the original lighting board after the shell is removed.
Remove the four screws on the top of the lighting board highlighted in red and lift off the board.
The underside of the board shown with the shell removed.
Carefully remove the dummy 8-pin connector from the lighting board.
Next, unsolder the track wire leads from the original connector on the lighting board being careful not to overheat the board.
Remove this unused connector gently with a pair of needle nose pliers so as to not damage the board. This space is needed to
allow for the installation of the KA4.
Trim the exposed end of the wires until there is only a small portion (~1/16") of exposed wire at the tip.
Re solder these wires directly to the original lighting board where the connector had been.
At this stage, plug the WOW101 Diesel decoder into the lighting board and secure it to the board using Kapton tape.
With this in place, using double sided foam tape, mount the KA4 as shown above to the frame.
Insert the 25mm x 14mm speaker into theUNIV-SH4-C enclosure and using double sided foam tape,
mount this assembly to the front underside of the of the lighting board.
With this in place, splice the speaker and KA4 leads into the WOW101 wiring harness and plug this into the decoder.
Utilizing the original four screws, reattach the original lighting board to the frame and organize the wires neatly.
Click here for important information on properly Stripping and Tinning wire
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