TCS 1628-LP WM-MB2 Motherboard Adapter Board - Low Pins     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline EMD SD70ACe diesel locomotive. Included on this motherboard is a KA4...

TCS 1627-LP WM-MB1 Motherboard Adapter Board - Low Pins     This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline GE ES44 "GEVo" diesel locomotive.  Included on this motherboard is a KA2...

TCS 1624-LP AS-MB2-NC Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a KA4 Keep Alive® for smooth...

TCS 1623-LP AS-MB2 Motherboard Adapter Board - Low Pins This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a KA4 Keep Alive® for smooth operation over...

TCS 1622-LP AK-MB1 Motherboard Adapter Board - Low Pins This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included on this motherboard is a KA2 Keep Alive® for smooth operation over troublesome...

TCS 1620-LP IB-MB2-NC Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomotives. Created to fit the Intermountain SD40-2 as well as the...

TCS 1619-LP IB-MB1-NC Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomotives. Created to fit the Intermountain ES44 as well as the...

TCS 1618-LP IB-MB2 Motherboard Adapter Board - Low Pins       This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Created to fit the Intermountain SD40-2 as well as...

TCS 1617-LP IB-MB1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Created to fit the Intermountain ES44 as well as the Bowser S12, the...

TCS 1616-LP GEN-MB1 Motherboard Adapter Board - Low Pins     The GEN-MB1 motherboard is designed to replace the original lighting board in Athearn's "Genesis" line of diesel locomotives. For a list of models with confirmed compatibility with...

TCS 1615-LP RTR-MB1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the original lighting board in the Athearn Diesel Ready-To-Roll locomotives. Included on this motherboard is a KA2 Keep Alive® for smooth...

TCS 36 Gauge Wire This wire is 36 gauge, seven strand of tinned, 44 gauge, soft copper wire with outside diameter of .016" (0.406 mm). Excellent for decoder installation work for Z, N and HO scale. TCS is the leading supplier of the highest quality,...

TCS 36 Gauge Wire This wire is 36 gauge, seven strand of tinned, 44 gauge, soft copper wire with outside diameter of .016" (0.406 mm). Excellent for decoder installation work for Z, N and HO scale. TCS is the leading supplier of the highest quality,...

  TCS WOWSound DCC Sound Decoder - WOW501-Diesel The WOW501 is a universal, 5 Amp sound decoder for large-scale locomotives. The WOW501 includes Keep Alive® on-board for stutter-free operation. Function 5 and 6 may be programmed to control a...

  TCS WOWSound DCC Sound Decoder - WOW501-SteamThe WOW501 is a universal, 5 Amp sound decoder for large-scale locomotives. The WOW501 includes Keep Alive® on-board for stutter-free operation. Function 5 and 6 may be programmed to control a...

TCS 1599 LT-50 Facia LT Panel     This product is used with the LT-50 "Layout Throttle." This panel can be used to create a DCC track output when used with an LT-50 using the specified jack. A single additional wired LCC throttle can be...

TCS 1598 LT-50 LCC Throttle Facia Panel     This product is an expansion panel for an LCC network, such as those created and used by the CS-105 and LT-50. Use this product to expand the number of wired throttles such as the T-50 you can connect...

TCS 1597 BA-100 Booster Adapter     The BA-100 “Booster Adapter” is a product which can be used to connect different manufacturers’ DCC boosters (and command stations) together. This product is intended to offer a quick and...

TCS 1594 Wire Harness - WAUX-KA3 - WOW101-KA Auxiliary Harness w/ KA3 DCC Decoder Keep-Alive DeviceTCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work...

TCS 1593 Wire Harness - WAUX-KA4 - WOW101-KA Auxiliary Harness w/ KA4 DCC Decoder Keep-Alive DeviceTCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work...

TCS 1592 Wire Harness - WAUX-CAP - WOW101 Auxiliary Harness w/ 470uF DCC Decoder Keep-Alive CapacitorTCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work...

TCS 1591 Wire Harness - WAUX-KA2 - WOW101-KA Auxiliary Harness w/ KA2 DCC Decoder Keep-Alive DeviceTCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work...

TCS 1590 Wire Harness - WAUX-KA1 - WOW101-KA Auxiliary Harness w/ KA1 DCC Decoder Keep-Alive DeviceTCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work...

TCS 1573 TCS Throttle Holder 3-Pack     Buy this pack and save on UWT-50/100 Throttle holders! This holder can be used with the UWT-50, LT-50, or UWT-100!   Includes: 3 - 3D printed holder designed perfectly for UWT-50, LT-50, and...

TCS 1572 TCS Throttle Holder     Buy this pack and save on UWT-50/100 Throttle holders! This holder can be used with the UWT-50, LT-50, or UWT-100!   Includes: 1 - 3D printed holder designed perfectly for UWT-50, LT-50, and UWT-100...

TCS 1571 TCS UWT-100 Throttle Holder 3-Pack     Buy this pack and save on UWT-100 Throttle holders! This holder only fits the UWT-100.   Includes: 3 - 3D printed holder designed perfectly for the UWT-100 throttles 3 - Bags of 4...

TCS 1570 TCS UWT-100 Throttle Holder     Buy this pack and save on UWT-100 Throttle holders! This holder only fits the UWT-100.   Includes: 1 - 3D printed holder designed perfectly for the UWT-100 throttles 1 - Bags of 4...

TCS 1559 Heat Shrink Tube 3/32nds OD 3 feet     This custom-made thin-wall shrink tube is excellent for installation work in tight spaces. With an outside diameter of 3/32nds of an inch, this is the larger of the custom shrink tube options we...

TCS 1558 TrainSpeed Replacement Sensor Cable     A replacement sensor cable for use with the Trainspeed 1 and Trainspeed 4.    Perfect if you need to move your Trainspeed to a new layout, or one of your cable gets damaged during...

TCS 1557-LP Bachmann MB-4 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 4-4-0. This board is designed to receive a WOW121 or EU621 decoder and provides an...

TCS 1556 K6D4 DCC Decoder - N Drop-in Board for Kato Glacier Express and FEF 4-8-4     The K6D4 decoder is specifically designed to operate the Kato N-Scale FEF-3 4-8-4 steam locomotive. This decoder includes a built-in forward LED and 3...

TCS 1555 28mm (1.1") Round Speaker 8 Ohm 1W     As the flagship speaker for the WOWSound decoder we took painstaking care in selecting these 28mm (1.1") speakers. Refusing to release sub-standard speakers we waited until we discovered these to...

TCS 1554 20mm (0.79") Round Speaker 8 ohm .8W     To find these little gems we tested more than 40 speakers and hands down these are the best small format speakers we have ever heard.    Producing sounds with the clarity and volume...

TCS 1553 35 x 16mm (1.37" x.63") Oval WOWSpeaker 1W     This medium sized oval WOWSpeaker is a perfect fit for many diesel locomotives with speaker enclosures built into the frame. Producing sounds with the clarity and volume of a much larger...

TCS 1552 IMFP4-NF DCC Decoder - N Drop-in Board for Post-2014 InterMountain FP7A with wired motors     The IMFP4-NF is a N-scale drop-in decoder which is designed for InterMountain FPA-unit locomotives. Examples include the...

TCS 1551 IMF4-NF DCC Decoder - N Drop-in Board for Post-2014 InterMountain F7A & B units with wired motors     The IMF4-NF is a N-scale drop-in decoder which is designed for InterMountain F-unit locomotives. Examples include the...

TCS 1550 AZL4 DCC Decoder - Z Drop-in Board for American Z Line (AZL)     This full-featured, 4 function, drop-in decoder is designed to fit in American Z Lines modern diesel chassis. This decoder includes built-in forward and reverse...

TCS 1549 MT1500 DCC Decoder - N Drop-in Board for Micro-Trains SW1500     The MT1500 is a N-scale drop-in decoder which was designed specifically to fit in the Micro-Trains Line SW1500 diesel switcher. The decoder features a built-in forward...

TCS 1548 TrainSpeed 4 Model Train Speedometer     This device is designed to measure the scale speed of locomotives or train cars that past by it.    Two small light sensors mounted discretely between the ties are used to record the...

TCS 1547 TrainSpeed 1 Model Train Speedometer     This device is designed to measure the scale speed of locomotives or train cars that past by it.    Two small light sensors mounted discretely between the ties are used to record the...

TCS 1546-LP Bachmann MB-3 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Baldwin 2-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an...

TCS 1545-LP Bachmann MB-2 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Heavy 4-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard...

TCS 1544-LP Bachmann MB-1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Light 4-8-2 (short tender) or the 2-8-0. This board provides an onboard Keep Alive® for...

TCS 1543-LP Life-Like P2K MB-1 Motherboard Adapter Board - Low Pins   This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 0-6-0 and 0-8-0. This board is designed to receive a WOW121 or EU621 decoder and...

  TCS WOWSound DCC Sound Decoder - WOW101-KA-Diesel The WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

  TCS WOWSound DCC Sound Decoder - WOW101-Diesel The WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

  TCS WOWSound DCC Sound Decoder - WOW121-Diesel The WOW121 is a universal sound decoder for locomotives with DCC-ready 21-pin MTC connectors, and can also be used with any of TCS' motherboards. The WOW121 requires a motherboard to interface with...

  TCS WOWSound DCC Sound Decoder - WOW121-SteamThe WOW121 is a universal sound decoder for locomotives with DCC-ready 21-pin MTC connectors, and can also be used with any of TCS' motherboards. The WOW121 requires a motherboard to interface with the...

TCS 32 Gauge Wire Our custom made 32 gauge wire (.022" diameter) is perfect for any decoder installation. Its ultra flexible design will ensure the job gets done right. Availible in various colors and 10ft and 20ft lengths. TCS is the leading supplier...

TCS 32 Gauge Wire Our custom made 32 gauge wire (.022" diameter) is perfect for any decoder installation. Its ultra flexible design will ensure the job gets done right. Availible in various colors and 10ft and 20ft lengths. TCS is the leading supplier...

TCS 1522 2-pin Micro Connector (Purple Wires)       This is a simple, two pin, 1 mm (0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly half the size of our popular, super-small Mini Connectors...

TCS 1521 2-pin Mini Connector (Purple Wire)     This is a simple, two pin, 1.27mm (0.05") pitch, mini quick plug wired connector. When connected together it is .12" wide by .085" tall by .243" long, and it has 7" long wires on both ends. This...

TCS 1520 2-pin Micro Connector (Black and Red)     This is a simple, two pin, 1 mm (0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly half the size of our popular, super-small Mini Connectors that we...

TCS 1519 2-pin Mini Connector (Black and Red)     This is a simple, two pin, 1.27mm (0.05") pitch, mini quick plug wired connector. When connected together it is .12" wide by .085" tall by .243" long, and it has 7" long wires on both ends. This...

TCS 1518 4-Point Junction Board (25pk)       These 4-Point Junction Boards have 4 solder pads joined together by 4 circuit traces. Use these boards to connect wires, resistors, bulbs, LED's, etc. without having to solder wires directly...

TCS WOWSound DCC Sound Decoder - WOW101-KA-Steam The WOW101 is a universal sound decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

TCS WOWSound DCC Sound Decoder - WOW101-SteamThe WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or locomotives which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

TCS 1492 4-pin Mini Connector (Black and White)     This is a simple, four pin, 1.27mm (0.05") pitch, mini quick plug wired connector. When connected together it is .21" wide by .085" tall by .243" long, and it has 7" long wires on both ends...

TCS 1491 4-pin Micro Connector (Black and White)     This is a simple, four pin, 1 mm (0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly half the size of our popular, super-small Mini Connectors...

TCS 1490 Wire Harness - JST7 - 7-pin Micro JST Male to 7-pin Micro JST Female In-Line Connector     This is a simple, 7 pin, JST, wired connector. When connected together it is .35" wide by .158" tall by .416" long, and it has 6" long wires on...

TCS 1489 K5D7 DCC Decoder - N Drop-in Board for Kato "Metra" F40PH     The K5D7 is a N-scale drop-in decoder specifically designed to fit the Kato F40PH locomotive. This decoder includes onboard LED’s for the forward, reverse, and red...

TCS 1485 KAM4 DCC Decoder - Hardwire     This decoder is a M4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is...

TCS 1484 T1-LED DCC Decoder - NMRA 9-pin JST to Hardwire     The T1 LED has added Blue and Black/White wires for the use of a KeepAlive device. This decoder has internal resistors for LEDs eliminating the use of external resistors for F0F or...

TCS 1483 DCC Decoder AF1 Analog Filter     The Analog Filter 1 (AF1) is used to filter the DC signal leaving the power pack. This filter pack corrects flickering in lighting effects and low-speed auto-reversing. Only one AF1 is required to...

TCS 1482 T4-LED DCC Decoder - NMRA 9-pin JST to Hardwire   The T4-LED has added Blue and Black/White wires to use a KeepAlive device. This model now includes a 2-pin JST Plug for the KA-P Family of KeepAlive® devices. This decoder may...

TCS 1481 K0D8-E DCC Decoder - N Drop-in Board for Kato PA, E5, E6, E8, E9 A-Units     The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato: ALCO PA-1 E5A E6A E8A E9A See the Installation Pages for...

TCS 1479 KAM4-LED DCC Decoder - Hardwire     This decoder is a M4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is...

TCS 1478 10x Neutral White SMLED     10x Surface Mount 0603 LED's in factory packaging.

TCS 1477 6-pin Micro Connector (Multi Color)     This is a simple, six pin, 1 mm (0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly half the size of our popular, super-small Mini Connectors...

TCS 1476 6-pin Micro Connector (Black and White)     This is a simple, six pin, 1 mm(0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly halfthe size of our popular, super-small Mini Connectors...

TCS 1475 4-pin Micro Connector (Multi Color)This is a simple, four pin, 1 mm (0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly half the size of our popular, super-small Mini Connectors that  we have...

TCS 1473 2-pin Micro Connector (Black and White) This is a simple, two pin, 1 mm (0.039") pitch, micro quick plug wired connector. These amazing new micro connectors are nearly half the size of our popular, super-small Mini Connectors that we have...

TCS 1472 10x Orange SMLED10x Surface Mount 0603 LED's in factory packaging.  

TCS 1471 10x Orange 0603 SMLED w/ Circuit Board     10 Surface Mount LED's mounted to a circuit board for easy wire attachment. Once you attached the wires simply break the Circuit Board into all of the separate LED's. 0603 LED...

TCS 1469 10x Orange SMLED w/ Magnet Wire     10 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 32 Gauge Wire     Multi-Color Pack of 10 foot lengths of our custom made 32 gauge wire in the following colors: Red, Black, Orange, Grey, White, Yellow, Blue, Purple, and Green.Our custom made 32 gauge wire (.022" diameter) is perfect for...

TCS 30 Gauge Wire     Multi-Color Pack of 10 foot lengths of our 30 gauge wire in the following colors: Red, Black, Orange, Grey, White, Yellow, Blue, Purple, and Green.30 gauge, seven strand wire with outside diameter of .026" (.661mm)...

TCS 1466 KAT26 DCC Decoder - NMRA 9-pin JST to Hardwire     This decoder is a T6 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.)...

TCS 1465 KAT24 DCC Decoder - NMRA 9-pin JST to Hardwire     This decoder is a T4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.)...

TCS 1323 10x Sunny White SMLED w/ Magnet Wire     10 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 1459 10x Blue 0603 SMLED w/ Circuit Board      10 Surface Mount LED's mounted to a circuit board for easy wire attachment. Once you attached the wires simply break the Circuit Board into all of the separate LED's. 0603 LED...

TCS 1458 2x Blue SMLED w/ Magnet Wire     2 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 1457 KA2-C DCC Decoder Keep-Alive Device - 2-pin Mini ConnectorTCS 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...

TCS 1456 KA2 DCC Decoder Keep-Alive Device - Hardwire 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...

TCS 1455 KA1-C DCC Decoder Keep-Alive Device - 2-pin Mini ConnectorTCS 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 and coming in...

TCS 1454 KA1 DCC Decoder Keep-Alive Device - Hardwire 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 and coming in at half the size...

  TCS 1446 A4X-KA DCC Decoder- HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS KAC Decoders offer the following features:  Attached is a harness terminating in a 2-Pin Quick Connector for use with a TCS Keep Alive.   TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or...

TCS KA Decoders offer the following features:   Attached is an extra Blue wire and the Black w/ White Stripe wire for use with a TCS Keep Alive.  TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4...

TCS KA Decoders offer the following features:   Attached is an extra Blue wire and the Black w/ White Stripe wire for use with a TCS Keep Alive.   TCS Decoders offer the following features: NMRA DCC Compliant DC or DCC Operation, 2...

TCS 1001 A6X DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS 1430 A6X-KA DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS KAC Decoders offer the following features:  Attached is a harness terminating in a 2-Pin Quick Connector for use with a TCS Keep Alive.  TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4...

TCS 1421 2x Yellow SMLED w/ Magnet Wire     2 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 1420 2x Green SMLED w/ Magnet Wire     2 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 1419 2x Red SMLED w/ Magnet Wire     2 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 1417 2x Sunny White SMLED w/ Magnet Wire     2 pack surface mount LED's with 6" magnet wire leads attached. Excellent for super tight applications.  

TCS 1416 AS6 DCC Decoder - HO Drop-in Board for Atlas S1, S2, S3, S4     This full featured 6 function BEMF decoder fits the following Atlas HO Scale engines: S1, S2, S3, and S4. See the installation pages for a full list of compatible...

TCS 1415 K4-LK Function-Only DCC Decoder - Hardwire Lighting Expansion Board for TCS 1414 K4D6 DCC Decoder - Kato MP36PH Metra     The K4-LK is a function-only lighting expansion board which has been designed to be installed into the KATO...

TCS 1414 K4D6 DCC Decoder - N Drop-in Board for Kato MP36PH Metra     The K4D6 is a N-scale drop-in decoder specifically designed to fit the Kato N-Scale MP36PH locomotive. This decoder is also commonly paired with the K4-LK lighting kit for...