SoundTraxx Installation Accessories

DCC Aids | Wiring Aids | Lighting Aids

DCC Accessories

The following accessories are designed to facilitate your sound decoder installations, testing and programming.

810140 $29.95
This 40 x 6 x 11mm DCC accessory maintains decoder performance during brief power interruptions.
See it on YouTube
CurrentKeeper Installation Instructions:
PTB-100 Programming Track Booster
829002 $59.95
This device facilitates reliable programming of Digital Sound Decoders and provides short circuit detection. For more information, see our Programming Track Booster page.
For Use With SoundCar
SoundTraxx IC Wand
810141 $8.95
Featuring a high-powered magnet, this tool is perfect for waving over SoundCar-equipped models to activate Intelligent Consisting. Measures 5.5 long.


Wiring Aids

We offer a number of items designed to make wiring your sound systems easier.  Many are intended to help make your installations neat (a neat installation is a happy installation). Additional items that are suitable for use with all sound systems, such as speakers, can be found linked in the sidebar.

2-Pin Microconnector Kit
810012 $4.00
These 2-pin connectors allow locomotive wiring to be quickly disconnected for easier painting and servicing. This kit includes a 2-pin connector set, 6" of red wire, 6" of black wire, and four pieces of heat-shrink tubing.
Insulative Tubing
810036 $5.00
This package contains 24" of 24 AWG insulative tubing for covering exposed component leads and wires.
Shrink Tube Assortment
810037 $8.00
This assortment includes 6" each of 1/16", 3/32", 1/8" and 1/4" diameter tubing for insulating solder connections. 
Exhaust Cam Set
810038 $10.00
This set offers a quick and easy way to install cams for cam-synchronized exhaust. For use with all SoundTraxx Steam Digital Sound Decoders with a cam output.
810058 $11.00
These tiny connectors are useful between the locomotive and tender for easy disconnection. Package of ten 0.025" diameter pins and mating receptacles.
Replacement Tsunami Speaker Harness, Steam
810068 $5.50
Replacement 3-wire to JST speaker and cam harness for steam sound decoders
Replacement Tsunami2 Power Harness, Steam and Diesel
810069 $10.00
Replacement 9-wire to JST power harness for all
TSU-2200 or ECO-200 Digital Sound Decoders.
Replacement Tsunami Speaker Harness, Diesel
810091 $5.50
Replacement 2-wire to JST speaker harness for diesel sound decoders
NMRA-Compatible 8-Pin Connector
810123 $8.00
This set of four 8-pin connectors is designed to facilitate wiring in locomotives equipped with a DCC-ready socket.
Tsunami 220F Replacement Capacitor
810128 $0.75
This 220µF capacitor helps keep power to the decoder during momentary power losses. For use with decoders that use an external capacitor assembly, such as the
TSU-1100 or ECO-100.
DBX-9000 Locomotive-to-Tender
Wiring Kit
810132 $17.95
Use this quick-disconnect harness assembly for separating the locomotive from the tender.
9-Pin JST to NMRA 8-Pin Wiring Harness
810135 $8.95
This harness easily converts TSU-2200 or ECO-200 Digital Sound Decoders to plug and play decoders for use with models equipped with an NMRA 8-pin socket.
ECO-100/TSU-1100 8-Pin Power Harness
810156 $8.95
Replacement 8-wire power harness for all TSU-1100 or ECO-100 Digital Sound Decoders.
Econami/Tsunami2 4-Pin Speaker Harness
810157 $7.95
Replacement 4-wire speaker and lighting harness for Tsunami2 and Econami Digital Sound Decoders.
CurrentKeeper 2-Pin Harness
810158 $7.50
Easily connect a CurrentKeeper or extra capacitor to any SoundTraxx decoder equipped with a 2-pin "Quick Plug" to improve performance over dirty track and switches.
JST-21PNEM Adapter
810159 $13.95
Easily adapt any SoundTraxx 21PNEM decoder to an NMRA 9-Pin DCC "quick plug" equipped model. This adapter can also be used with SoundTraxx 9-Pin JST power harness (p.n. 810069) to create a universal-style decoder.
  • Dimensions: 22.5 x 16 x 7.5mm
  • Support for up to 8 functions
  • Solder Pads for CurrentKeeper, speaker connections and extra lights
Ultra-Flexible Wire
810142 Black Wire $4.95   810148 Blue Wire $4.95
810143 Orange Wire $4.95   810149 Red Wire $4.95
810144 Purple Wire $4.95   810150 Brown Wire $4.95
810145 Gray Wire $4.95   810151 Yellow Wire $4.95
810146 White Wire $4.95   810152 Green Wire $4.95
810147 Green/Yellow Stripe Wire $4.95
Wires Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards. 


Lighting Products

These microbulbs and LEDs are perfect as bulb replacements or for adding Hyperlight lighting effects to our Digital Sound Decoders.

2.2mm Microbulb 6-Pack
810025 $16.50
2.2mm (0.087”) diameter, 1.5V, 35mA

Ideal as large-diameter HO headlights (e.g., F-Units, steam engines) and for O-scale models
3mm LED 6-Pack, Sunny White
810133 810133
3mm (0.12”) diameter, 3.3V, Sunny White
3mm LED 6-Pack, Golden White
810134 $13.95
3mm (0.12”) diameter, 3.3V, Golden White