21 pin decoder to 8 pin socket. It is designed and manufactured by Strathpeffer Junction.

21 pin decoder to 8 pin socket Learn how to wire an 8-pin dcc decoder with this detailed diagram. Their latest board has a socket with lighting solder pads to allow complete shell removal. The board can be wired permanently into a model and negates the need to hard wire a decoder itself into the … Continue reading "8-Pin Decoder Socket Hard Wire Adaptor Apr 6, 2020 · The only adapters I am away of are replacement boards with the 21 pin socket on them. The 8 pin to 21 pin adaptor board provides a handy way to use 8 pin decoders in locomotives fitted with a 21 pin (21MTC) socket. A pack of 3 brand new 8-pin NEM 652-compliant sockets. The mini works great for locomotives without a lot of room. Part of the innovative new HM7000 range, this 21-pin Bluetooth® and DCC sound decoder is ready to plug into locomotives featuring a 21-pin (NEM660) socket. It is designed and manufactured by Strathpeffer Junction. If you are not sure how to do this, you can always refer to the wiring diagram to get a better idea. In order to do this, you will need to connect the locomotive to the decoder. Benefits Include: Popular 21-pin This decoder is designed specifically to meet the needs of European HO-Scale modelers. n. These save considerably on the 3 pack. Apr 21, 2021 · Reg asks: “Can someone tell me the difference in functions of 8 pin and 21 pin sockets? I’m trying to get my head around DCC and am not sure if all locos should operate with the same accessories? Would 21 pin be better?” Have your suggestions published below. The correct orientation for the 8-pin plug is for the orange wire to be at position 1 on the socket. The V5B and V1B Decoder Buddys meet NMRA Standards. Special feature: Two pads for speaker wires are also provided, making it perfect for DCC sound installations. 75 Add to basket Feb 11, 2018 · TCS 21 Pin DCC Breakout Adaptor We published a video in January 2018 describing how to convert an 8-pin Hornby TTS decoder for use in a 21-pin chassis. What do you do if you have a 21 pin locomotive and an 8 pin decoder you wish to use? The 21 pin is a totally wireless concept, however your loco is 21-pin and you have a favourite brand of decoder, you’ll need an adapter. This adapter can also be used with SoundTraxx 9-Pin JST power harness (p. This adaptor allows a 21 pin decoder with up to 4 functions to be used in an 8 pin socket equipped model. It allows you to take full advantage of all the functions and features of the latest decoders. My question is would it be possible to buy something like an 8 pin decoder in or are 21 pins the only thing compatible with 21 pin sockets? A brand new 21-pin NEM21 adaptor (with solder pads) for 21-pin chassis. I see them that go the other way - to plug an 8 pin decoder to a 21 pin loco. It has the 9-pin jumper board plugged into it for DC operation. May 25, 2022 · I have been reading about 21 pin decoders and adapters that allow you to connect a 21 pin decoder to a 9 pin plug. 5mm (1. Additional solder pads are provided on the adaptor for function output 2 (typically the purple wire) and also 2 speaker These 8-pin NEM652 to 21MTC Loco Adaptors enable you to fit an 8 Pin DCC decoder to a 21 Pin socket Locomotive. Feb 4, 2025 · A Walthers SW DCC ready lists it has an 11 pin decoder plug. 65 Add to basket 3 x 8-Pin DCC Decoder Sockets (NEM 652) £ 3. 21 to 8 pin adapters, making it easy for you to fit an NEM652 8 pin NMRA plug fitted decoder into a locomotive which has a 21MTC connector installed. DCC & Sound Information Mar 11, 2018 · A short tutorial on converting an 8-pin decoder for permanent use with a 21-pin locomotive. They provide 4, 8 and 12 lighting outputs that correspond to the outputs of the 21-pin decoder which in turn can give 8 to 12 separate lighting functions. Colour coded wiring to match MOROP/NMRA standards for 2 lighting functions. All of our decoders are tested at least 3 times before we package […] YouChoosReference, Help, Resource and Guides Jul 6, 2018 · How to use a 21-pin decoder in a locomotive with an 8-pin socket Whilst we crunch through a mound of unedited video filmed during June 2018, we thought we’d put out a short tutorial outlining one approach for making a custom 21-pin to 8-pin harness to enable the use of a 21-pin decoder in an 8-pin locomotive chassis. To use, take the blanking plug out of the 21-pin loco and insert the 36-559, then insert your 8 pin decoder (purchased seperately) into the 36-559 adaptor. A Hornby TTS sound decoder is shown, but it would work with most non-sound decoders as well. 189" x 0. The board is compact, making it suitable for the majority of models. Any or Multiple Scales 21-pin to 8-pin adaptor/converter (for locos with 21-pin sockets to fit an 8-pin decoder in) DCC Ready. 5mm Support for up to 8 functions Solder Pads for CurrentKeeper, speaker connections and extra lights Manufacturers of the highest quality DCC Decoders and Control Systems for Model Railroads Jan 27, 2025 · 21 Pin To 8 Pin Harness Adaptor. This is usually denoted by a * on the circuit board. These sockets are compatible with all NMRA 8-pin DCC decoders. A short tutorial outlining one approach for making a custom 21-pin to 8-pin harness to enable the use of a 21-pin decoder in an 8-pin locomotive chassis. It is a jumper board for running on DC. 96 Tax Free Used for items which have 21-pin sockets. Ideal for DC-to-DCC conversions. Jan 19, 2025 · Is this a spot to plug in an 8 pin dcc decoder? If so, how would I go about doing it? DCR-8Pin-Harness-Neo The purple wire is a flying lead not connected to the 8 pin plug and is only used for extra functions. In that video, we used a LaisDCC 21 to 8-pin adaptor, customised by removing the 8-pin socket, to allow the decoder to be plugged into a Bachmann Class 47. (NOT to be confused with the existing adaptor allowing an 8 pin decoder to be fitted in a 21 pin model). Do I have to swap all of my 9 pin decoders for 21 pin decoders? And if ultimately the connection to the engine is through the 9 pin harness, what’s the reason forusing a 21 pin decoder? Mar 10, 2024 · Acquired an Athearn Genesis G9005 2-8-2 with 9 pin connector that just sits in the tender for a dcc decoder to plug into. This is unlikely to be an issue in most cases, as 8-pin chassis locos tend to have few built-in functions. (Nice feature). A brand new 8-pin to 21-pin adaptor, allowing you to use an 8-pin decoder (including DCC sound) in a locomotive with a 21-pin male header plug. For a decoder like the one mentioned above, REMOVE the dummy 9-pin plug and leave that connection "open". NixTrainz new Decoder Buddy (Includes 1 Mother Board & 1 Connector Board) Decoder Buddy makes connecting your 21-Pin decoder to your HO Scale locomotive super-easy. The new factory equipped engines with Loksound decoders now have this 21 pin technology. 43 results for "dcc decoder 8 pin" Results Check each product page for other buying options. Sold out SoundTraxx 9-Pin JST to NMRA 8-Pin Wiring Harness 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. This board allows easy 21-pin decoder installs from vendors such as Digitrax, ESU, SoundTraxx, TCS and NCE! DCCconcepts Connectors, Relays, Adapters & Other Decoder Harnesses NEM652 8 Pin Plug to 6 Pin NEM651 Socket Harness (3 Pack) Price: £ 9. Dec 9, 2024 · Looking at your pic above, the 8-pin socket is empty and the 9-pin socket has a "dummy board" plugged into it. Apr 14, 2022 · A decoder buddy is not necessary. 12 Light Outputs Decoder Buddy from Nix Trainz is a 21-pin-friendly replacement motherboard for the standard factory-supplied DCC 8-pin loco motherboard in many locomotives. 5 x 16 x 7. You'll find the 8 pin socket in Hornby locos and many other locomotives in OO, HO and some smaller scale locomotives. So I got the DC Accurscale Deltic recently which is nice and has a 21 pin socket. This breakout board allows you to use an 8-pin, 6-pin or wires-only decoder with a DCC ready 21-pin MTC locomotive or multiple unit. Now a 21-pin-friendly board replaces the standard DCC 8-pin loco motherboard and easily allows you to take full advantage of all the functions and features of the latest, feature-rich decoders. You get power and headlights right off and can make 2 more lights by assigning the decoder output to the green and violet wires. I have it on Oct 30, 2023 · DCC-ready locomotives with 8-pin sockets are shipped with a factory-installed 8 pin blanking plug that shorts the rail pickups to the motor terminals (and headlights) in the absence of a decoder. The board can be wired permanently into a model and negates the need to hard wire a decoder itself into the model, which makes replacing or reprogramming the decoder far 21-Pin DCC Breakout Board (MTC21 Socket and Solder Tabs) £ 3. A decoder buddy is used for converting older 8 or 9 pin locomotives to a 21 pin decoder. Think 8-track to cassette to CD technology … In order to use your 9 pin decoder in an engine only equipped with an 8 pin plug, you have two options. It has solder pads for accessory lighting, speaker, and some have a keep alive solder pads. DCCconcepts Connectors, Relays, Adapters & Other Decoder Harnesses With the wide range of decoders, huge variety of locomotive chassis designs and almost unlimited potential for creative installation possibilities… sooner or later every DCC modeller needs access to a range of useful harnesses, connectors, adapters and other devices. . Perfect for model train enthusiasts. 50 plus P&P. 21-pin socket Oct 8, 2025 · A brand new 8-pin to 21-pin adaptor, allowing you to use an 8-pin decoder (including DCC sound) in a locomotive with a 21-pin male header plug. Any or Multiple Scales 6 function DCC 21-pin to 8-pin adaptor/converter - allows use of an 8 pin decoder in a locomotive with a 21-pin socket - alternative to Bachmann 36-559 6-function 21 to 8 Pin Adapter (50 Pack) For installers and resellers or even those with huge fleets… we also offer a bulk pack of Fifty 21 to 8 pin adapters. If using with a locomotive with an 8 pin socket fitted, it should be isolated with tape unless used with an additional function which the user has added themselves. 5mm Popular 21-pin decoders from ESU, SoundTraxx, TCS, Digitrax, and NCE easily fit in Decoder Buddy‘s 21-pin socket 14-PIN V5 socket and plug with wire-outs for 12 output 21-pin decoder functions 14-pin plug fully removable for easy separation of loco shell and chassis “W” pad added for three wire stay alives and is controlled by Aux 7! ESU 58429 LokSound V5 DCC 21MTC NEM660 (21-Pin) Socket, 30mm x 15. If you have speakers already soldered to the model's PCB, just solder the decoder's speaker wires direct to the pads on the adaptor - no need for any other re-wiring! Jan 14, 2019 · The key answer to that is that both the NEM652 8-pin and NEM651 6-pin socket and decoder combinations are bigger and more expensive to make than the more modern PluX and MTC-21 socket solutions with more pins. 2. Expect to pay about £1. 22-pin (2 x 11) socket connector based on a 1. The connection is usually made through a series of plugs. 810069) to create a universal-style decoder. Jul 6, 2018 · The adaptor is simple to make and works well, but by its very nature, an 8-pin plug will not enable all functions of a 21-pin decoder to be used. The EU series decoders are compatible with all of TCS' motherboards, or any locomotive equipped with the MTC 21-pin socket. NMRA DCC Color Code & Wiring Guide NMRA DCC Color Code & Wiring Guide A brand new 21-pin to 8-pin decoder adaptor, allowing you to use a 21-pin decoder (including DCC sound) in an N or OO Gauge locomotive with an 8-pin socket. Decoder Harness 8 Pin Female (200mm) (3 Pack) A pack of three 8 pin harnesses with a female socket to connect to NEM652/NMRA 8 pin decoders. 21-pin socket 860002 DCC 8 Pin NEM652 Socket with Solder Tabs With the use of these 8 pin dcc decoder socket, enables you to fit dcc decoder to non-dcc locomotive/car easy Size About: 20mm*18mm*7. 21 pin Adapter Board Allows you to add a 21pin decoder plug to your loco and neatly hardwire a loco, yet still allow you to remove the decoder as and when required. This plug must be removed before installing the decoder and must be replaced if removing the decoder Do not put the 21 pin board back in. What happens when you put it in along with the 8-pin decoder us that it connects the track voltage directly to the motor, which is why it runs away. All I seem to be able to find is 9 pin socket wired to 21 pin socket or pins Easily adapt any SoundTraxx 21PNEM decoder to an NMRA 9-Pin DCC "quick plug" equipped model. If the Once you find a conversion harness with 21 pins on one and 8 pins or a 9 pin socket on the other the 21 pin decoders work on common US motherboards. 2K Ohm Resistor Decoder Buddy from Nix Trainz is a 21-pin-friendly replacement motherboard for the standard factory-supplied DCC 8-pin loco motherboard in many locomotives. This board allows easy 21-pin decoder installs from vendors such as Digitrax, ESU, SoundTraxx, TCS and NCE! Go Back Please Download PDF DCC Advice #12: Decoder Wiring Colour Codes Connectors and More. Oct 8, 2025 · Special feature: Two pads for speaker wires are also provided, making it perfect for DCC sound installations. If you … Continue reading "8-Pin to 21-Pin Decoder Adaptor (DCC NEM652 8 6-function 21 to 8 Pin Adapter (3 Pack) makes it easy for you to fit any 8-pin decoder into a locomotive with a 21-pin socket. Jun 10, 2025 · Verified purchase I am delighted with this adapter, it needs a steady hand to solder the wiring, but it saved the day as the the standard Hornby 8 pin decoder plug along with my original 21 pin to 8 pin plug adapter was too high for the body of my new class 43 FGW and would not fit, so I had to cut the plug off and use this excellent adapter. 609") *Ready for Programing (No Programming) If you need the sound file programmed to the decoder Yankeedabbler will load the sound file for you at no additional cost, if you add the sound file number or locomotive type (ie GP38) in the " May 21, 2022 · Once the 21 pin DCC decoder is installed and tested, you can then move on to setting up the locomotive. How To Use A 21 Pin Decoder In Locomotive With An 8 Socket Strathpeffer Junction Oo Gauge Railway Modelling S Tutorials Sbs4dcc Esu Loksound 73900 Select 21mtc Speaker Wiring Gaugemaster Ruby Decoders Installing Dcc Decoders By Jerry Hansz 1 Bachmann Spectrum C40 8w Gaugemaster Ruby Decoders Installation Guide A Dccconcepts Modelling Advice 21-pin interface to MTC standard based on 22-pin plug and socket connections (one anti rotation pin as index) directly on decoder. All of the product endorsements are my own, and not paid. ESU 58429 LokSound 5 DCC 21 pin decoder with sound project Out of stock Quick View Jun 26, 2025 · If used with an 8-pin DCC sound decoder, the speaker(s) should be soldered to the wires emanating from the decoder or to speaker pads provided on the decoder. For the socket, search "8 pin DCC socket" on eBay or other sites. Makes installing an 8-pin decoder into a hard-wire loco simple! Please note – This replaces previous SKU : DCC-8PF3 Click to view other Decoder Harnesses in our range. 27 mm pitch mounted on a decoder circuit board with Pin 11 removed or otherwise obstructed for use as an index point. I have 21 pin sound decoders. Do any Digitrax decoders work with this plug? Any harnesses that can be used for an 8 pin decoder an 11 pin plug? Zen decoder software has always been smooth, clever and easy to use but our new BLACK decoder range takes this to a new level, with extended and improved automatic braking and shuttle abilities, simple-to-use ONE step locomotive set-up and advanced brown-out protection. This decoder is compliant with the NEM660 standard found in locomotives equipped with the MTC 21-pin socket. It has been designed by and manufactured for Strathpeffer Junction. … Continue reading "21-Pin DCC Breakout Board (MTC21 Socket A brand new 21-pin to 8-pin decoder adaptor, allowing you to use a 21-pin decoder (including DCC sound) in an N or OO Gauge locomotive with an 8-pin socket. Sep 26, 2013 · The next step will be the 21 pin plug which has been a European standard for some time. What’s the advantage of the 21 pin decoders. The adaptor features a standard 8 pin socket that can accept up to 3 amplified function outputs. Dimensions: 22. A brand new 8-pin decoder ‘Strathpeffer Junction designed and branded’ socket breakout board for hard-wiring into your model locomotive or multiple unit. omq qtg bolx uphvv ayeq htsx bpucvko ikhpvz tolz adschb omiyamd wtw vvvejd noiy jvxkeu