TCS WAUX-KA3, Keep Alive:
 
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
 
MSRP is $41.95. (Picture courtesy of TCS.)