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SKU: 1594

TCS Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The WAX-KA3 will power an HO-Scale locomotive with headlights on for approximately 6 to 20 seconds (depending on the locomotive and the efficiency of the motor).


The WAUX-KA3 includes the auxiliary harness for the WOW101 sound decoder line with a KA3 Keep-Alive® device attached.


This harness can be used to connect the following functions to a WOW101 decoder:


  • 2x Purple wires for Speaker + and Speaker -


  • Blue wire for connecting light functions and Keep Alive®


  • Black with White stripe wire for connecting Keep-Alive®


  • Tan wire for CAM input


  • Pink wire for Function Output 4


  • Brown wire for Function Output 3


The WAUX-KA3 is designed for use with the TCS WOW101 ONLY


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