TCS 1591 WAUX-KA2 Keep Alive® Capacitor With Auxiliary Harness for WOW101 Sound Decoder

TCS WAUX-KA2 Keep Alive® Capacitor

TCS Item #1591

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. 

Newly-redesigned at half the size of a KA4, the KA2 will power HO or N scale locomotives with approximately one-third of the capacitance of KA3/KA4 devices (depending on the locomotive and motor).

The WAUX-KA2 includes the auxiliary harness for the WOW101 sound decoder line with a KA2 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-KA2 is designed for use with the TCS WOW101 ONLY