connectors $90. Therefore you CANNOT hook a JAMMA board directly up to a Mr. Tags: jamma pinout. The JAMMA standard was invented in 1985; any game older than this will not be JAMMA. 28 Pins Jamma Harness Cabinet Wire Wiring Loom for Arcade Game PCB Video Board Machine Video Consoles Jamma Pandora Box 4 5 6. New posts New media New media comments New profile posts Latest activity. OP . If you are installing the kit into a JAMMA cabinet, you may choose to leave the wiring harness intact. The wiring inside the Supergun for the kick harness is very simple. RetroArcade. NFL Blitz 3rd and 4th Player Wiring Harness (NOS) Midway Part #H-22868 used in NFL Blitz games $35. ) are like this, as is : Atari's Missile Command. 2-in-1 PC Board Switcher manual. Ten 10 Pack Jamma Wiring Harness - Buy more and Save! Includes: 10 - RA-WIRE-HARNESSProduct Information Approximate lead length: 1. The majority of games use a subset of this pinout. I will show the harness as well to demonstrate the orientation of the layout. For example, the video output on a JAMMA harness is located at pins 12, 13, N and P. Please see below for the full games list (2800 games in total). In the table below X indicates that there is no wire present. I have a JAMMA harness and the corresponding wiring guide. Dec 1, 2010. – Built-In 4 Plug Meter Connector for Easy Hook Up of In & Out Meters. The Jamma harness will plugged on the Jamma connector without any modification on the cab. « Reply #2 on: June 30, 2010, 07:37:36 pm ». 00. Top Rated Seller. OK, for question 1: The 3rd prong/middle prong, doesn't have to have anything attached. The embeded games select screen with screenshots allows you to choose between the 412 games. Pinout for JAMMA Arcade game systems. Qbert wiring harness to jamma Thread starter howie2673; Start date May 17, 2020; howie2673 Active member. In Stock. Important information. €10. The CHAMMA standard is a wiring standard that shares a lot in common with the JAMMA standard. The plug belongs to the DF1B line and the part number is DF1B-34DS-2. Here, this will make it easy. I've found the wiring on the harness that the buttons should go on (R and 15, according to Bob Roberts handy guide), but What sort of button can I use?Hang-On to JAMMA. It looks like all of the power outs come. Card Edge Connector 20-Pin Solder Socket. The JAMMA wiring harness may or may not have a key pin at location H/7. They were responsive to all of my questions and concerns, and. 985 Erve Williams Road Moultrie, GA. This version of the Jamma Helper Adapter has a special wiring installed with an adapter compatible with Capcom's CPS2 system Jamma boards. 95. 9 pin power supply connectors. €17. Product Information Jamma wiring harness english stickers are hear!Product Features: Great guide for new builders, assembly, and troubleshooting Jamma system connections. Currently runs fine with my SF II Arcade 1up with the USB encoders. This is going to be a little tricky. Monitors / Screens Identify and solve problems with your arcade monitor. The only thing you have to wire is the switches that the coins activate, and that is real simple. Much easier than it might sound. VAPS. Wiring up a cabinet with a full jamma harness. The top 2 wires are run to the meter plug below. For the left switch, one wire goes to "Coin 1" on the jamma harness, while the other wire goes to ground. A lot of arcade operators had their older cabinets rewiring in the JAMMA standard which allowed their PCB’s to be plug’n’play. 5V. #10. . I started to plug everything in but noticed nothing fit correctly, everything was slightly off. 90 € 20% VAT incl. The problem is if the resistance of wire is too high, it can cause a significant power loss before the DC. You then need to match these sides to the wiring on your JAMMA harness to know which way the edge connector plugs onto the JAMMA game board. Jamma wiring. The JAMMA connector is a . Solder a wire from your Male DB9 connector to your Controller port. Nos Midway 4 Player Jamma Wiring Harness PARTS ARCADE video GAME Part Fx1. Step 4: Wiring the new buttons. I would be interested to hear if someone has a better/easier solution. Comparing the wiring to the wire guide it’s the same thing, things are just a bit out of place. 5M / 5 footWire Size: Pins 1 to 6 > 18 gauge wire all other are 22 gauge wire. Logged TNHANK. The kick harness, also known as the extra harness or plus harness, is a set of additional connectors that allow arcade PCBs to have extra inputs beyond what the JAMMA wiring standard allows. The Pi2Jamma has aextender Jamma Interface with 6 buttons per player plus option for Chamma (jamma pinout) . – Includes Attached Mini Red Pushbuttons for Bookkeeping & Account Set Up. This JAMMA harness is good quality and as the other review states, easy to read and all in English. And they used a JAMMA switcher to switch. 9%. I am using a PC power supply to power the board so thats avoided but I am having a problem with connecting the jamma. Most JAMMA boards expect pin 27 on the harness to be connected to ground which is part of the wiring standard. The extra wiring is sometimes called jamma plus or in fighting games it's usually referred to as a kick harness because the extra harness was for the added kick buttons that were not accommodated for in the standard. To connect older non-JAMMA games to a standard JAMMA cabinet a custom wiring harness is needed. There are four +5 volt wires in the JAMMA. This is incompatible with the JAMMA standard due to pin 27. I have totally rewired the entire cab with one of Bobs harnesses and im down to just the coin door bundle. Currently, it's hooked up to a. 00. Harnesses come in a range of varieties, but in most cases are used to extend the game's control set to allow 6 buttons per player. And, it is the JAMMA standard pcb pinout (charted below) that has made it all possible. 8mm Quick Connects 1 Metre Wire, Choose Your Colour ( Size- 1) $077. ) 2) Remove all existing game harnesses (we suggest using New Jamma Harnesses (NOT contained in the kit) to ensure reliability). jimkirk. It's probably CHAMMA, so your harness is not sending the right signals to the right areas. This harness is ideal for replacing old harness in any old JAMMA cabinet or for customers who are bulding new machines with JAMMA boards. 99. If that doesn't work then make sure that your JAMMA harness matches the pinout for the Elf board and specifically that pin 27 on solder and parts side is NOT wired to ground. clean the slots w isopropynol , and ensure proper +5 at the edge connector. coreyr. Something to hook the Raspberry Pi to JAMMA. Posted September 20, 2011. 2 MB File. Now let's move the test input pin from Jamma M to Jamma 15. I'd have to grab my wiring diagram to confirm if it would at least not break things, but you could potentially just get a fingerboard and solder a couple eyelet connectors to both ends to make a "JAMMA gender changer". telephone network or premises wiring using a compatible modular jack which is part 68 compliant. JAMMA Standard Pinout JAMMA is a standard connector used on many arcade boards to simplify conversion of cabinets from one game to another. Also known as PGM, is a system created by IGS. Can you help? A: Yes! You can find. By removing the JROK adapter, there was nothing to plug the JROK H-sync and V-sync plug in to. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. Jan 19, 2007. . reason I say bump the power some is the adapter you are using may have a little tighter draw down and bump the power to overcome it. Just need to pick your brains if that?s ok, Im building a cab using Jamma and wanted to use a coin button as opposed to a coin mech. JAMMA Harness. +5 volt power wiring: Can I connect all 4 leads to the same connector at the power supply? or do I just use #4 one since I have a generic harness?. The board was shipped from factory with an audio fix consisting of 2 jumper wires, going through. Connector the power cable to P9 on the GBS-8220 converter PCB. Right - Games. ** JAMMA Trackball pinout differences, used. Show More Show Less Compare. The name JAMMA stands for "Japan Amusement Machinery Manufacturers Association," and it became a de facto standard sometime in the diagramweb. Solder a wire from your Male DB9 connector to your Controller port. $9. Product Description. Feb 18, 2020. Description. $12. . ** Marvel Vs. Ground Wire Chain with Quick Connects 4. Connect the JAMMA side of the new J2 harness to J2 of the Perfect Solution board (#9). However, I was considering the following idea: Getting a: 1. Connects using a standard JAMMA Connector. 17. $ 19. Capcom button names. 1 KB · Views: 9 Last edited: Mar 10, 2016. 100 header wiring harness. I am wiring a jamma harness in my cab with a 412 in 1. I started to plug everything in but noticed nothing fit correctly, everything was slightly off. A Multi-JAMMA splitter. . . Arcade cabinets wired to the JAMMA standard can be made to play all games built to this. I have seen a few of the Chinese made jamma switches - but unlike the green ones this one doesn't have a remote dongle but rather a simple switch that can be mounted in the cabinet which I think is much better. The pins of this Board uses those pins for action button 6. Pinball Repair Tips about issues specifically related to pinball machines. Qbert wiring harness to jamma Thread starter howie2673; Start date May 17, 2020; howie2673 Active member. sadly, i have the jamma pinout memorized. +. JAMMA stands for Japan Amusement Machinery Manufacturers Association, and is the groups that defined the standard connector known as a JAMMA harness for arcade pcbs. This 2 player trackball interface JAMMA harness is for adding a trackball to your 138-in-1 (horizontal), 276-in-1 (vertical), or 352-in-1 (horizontal) Classic Arcade Multigame PCBs. All wiring uses 22AWG (22AWG is enough for Jamma PCB ) ,Cheaper harnesses will only use 24AWG or 26AWG or even (Marked with 22AWG but actually with 24 or 26 AWG quality ) Video signals connect through included standard monitor connector. This harness includes: 56 pin JAMMA edge connector with key. Hundreds of used Molex, Amp, etc. JAMMA Pinout. A Multi-JAMMA splitter. Can you help? A: Yes! You can find the diagram for a standard JAMMA configuration below: Q: I am wiring a JAMMA harness into a cabinet and do not have a wiring diagram handy. #4. If you choose to use the existing JAMMA wiring, you will need to make some modifications. Universal design for 2 player games. These connectors have metal pads of easy access for soldering all the Jamma cables in a simple, effective and easy way. Price. The above shows the jamma connections for power and all others. Home. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. Yep. Connectors, Headers & Pins. Is there a problem with just using a switcher and a jamma harness rather than redoing all the original wiring and rebuilding the original power supply?Another option is to install a button on the coin door to credit up. gif. Joined Dec 7, 2019. 3. The Pandora Box has no adaptor, I double checked, and I tested all buttons in the service menu of the pandora and they all work, no kick harness there. Should I just connect that yellow button to "COIN 2" and cut the wires (including "COIN. Wiring the Jamma Harness First thing to do is inspect your Jamma harness. The game's wiring harness may show separate syncs, : but the schematic itself may show that there are unused pins : for composite sync. JAMMA introduced the standard in 1985; by the 1990s, most new arcade games were built to JAMMA specifications. 8MM QUICK CONNECTS FOR I-PAC, 30 WIRES AND GROUND CHAIN. 3 MB File. Jamma Harness with quick connects. See list below. The JAMMA standard has provisions for a Trackball in place of the normal Joystick connections, but Golden Tee series boards use a separate trackball harness. Mortal Kombat 2 Kit - 16-44029-101 76 Pages, 3 MB File. It would be much clearer. Here is an example of a typical JAMMA wiring harness. Jun 30, 2017. C $89. Yep. 7m -. I want to get a jamma cab so i can switch out the games, and i want to be able to play all games (more or less) so i want to get a street fighter 2 cab. Coin door harness was cut so I don't know what the normal state of it is, nor do I have any sort of standard connector for my jamma harness. Where To Buy A JAMMA Harness Sometime around 1986, the arcade manufacturers decided that using different pinouts for each game was a bit of pain and that if a standard was developed, games. com). Parts side is the top Side. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. 31768. Jamma is a standard but for games that use extra buttons or a unique control system like a 49 way joystick, there is extra wiring. 5% coupon applied at checkout 5% off coupon Details. $1780. #3. All wiring uses 22AWG (22AWG is enough for Jamma PCB ) ,Cheaper harnesses will only use 24AWG or 26AWG or even (Marked with 22AWG but actually with 24 or 26 AWG quality )To be able to bring up the exit game menu in free play mode, you will need to make sure you have a button wired to the pause wire on the JAMMA harness. The Arpicade will run on all standard JAMMA harness cabs. VAPS. the JAMMA harness has five video output wires: Pin 12 - red N - green 13 - blue 14 - ground P - sync The Electrohome has 9 video input pins: Pin 6 - red 5 - green 4 - blue 3 - ground 2 - positive vertical sync 1 - positive horizontal sync 3 - ground 2 - negative. 3. Here's the actual hardware in question, which has the auxiliary power connector (only used if JAMMA is unpowered). Also, the audio is mono and matches standard wiring, so that's a potential short if you're converting a stereo cabinet or NEO-GEO. #1. This trackball interface harness includes connections for two trackballs (Player 1 and Player 2) if the. Centipede Cabinet to JAMMA PCB Adapter. 250" Insulated. jamma harnesses Thread starter jimbodeanny; Start date Sep 29, 2006;Jamma Wiring Neo Geo MVS Solder Side Parts Side Solder Side Parts Side Ground A 1 Ground Ground A 1 Ground Ground B 2 Ground Ground B 2 Ground Pos 5 Volts C 3 Pos 5 Volts. #2. JAMMA Harness Standard 56 pin Jamma Connector used on many Arcade Boards to simplify conversion of game cabinets with color coded connections for 2 players, power, coin doors, test, service, video, and sound. Lights are on 3 separate connectors. Item is in stock. Manufactured For Atomic Market by DIY Retro Arcade Jamma Harness with 2x28pins 56 Pin connector that is custom made for bartops installing Pandora's Box High Quality Wire and 30 Inches Long, perfect fit for bartops or 3/4 scale without a mess of wires. Hi guys and girls I have a question on an arcade project I have just started. 31768. Card Edge Connector 44-Pin Solder Socket. The following JAMMA pinout chart is basically a map of the JAMMA wiring harness 56-pin edge connector. Jamma edge connection with. Number Of Splice Connectors Included: 0. Once you have these items, then you will need to follow the instructions given with your adapter, but its really as simple as wiring the jamma harness pinout wires to the +5, +12,-5, power, coin door, sound, monitor signals & sync, and finally grounds of the. Jamma is a standard but for games that use extra buttons or a unique control system like a 49 way joystick, there is extra wiring. Wiring Harness Length (in): 12-1/2 Inch. Last note - Some JAMMA games are actually JAMMA+ which means that it uses more or different controls than the normal standard allows. It is a proper arcade harness and is labeled but some of the labeling doesn't match up to what I am seeing for a Pandora. Ultimarc SpinTrak Spinner. Use a dab of epoxy on the back to hold it in place in case the plastic hole is too big. Anyone have the pinout for a Pandora I can trust? Does the pinout change between different Pandora models? Does the Pandora allow for stereo output from the jamma harness? It states “Caution: Do not connect the PIN27 of JAMMA port to ground lead, it will affect the game’s playing. Jamma connector harness loom pinout labels. reason I say bump the power some is the adapter you are using may have a little tighter draw down and bump the power to overcome it. To use it you need either a Nintendo edge connector harness or a jamma adapter and jamma harness. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. A different wiring harness connects the switcher to the cab. I-PAC 2 Wiring Map. JAMMA supposed to be universal, no? I have a cab with an NBA Jam JAMMA+ wiring harness (is that the right term?). This standard pinout that was developed is know as JAMMA (which stands for Japanese Arcade Machine Manufacturers Association). Common 10 There are NO traces to connect the leads on the MVS boards where -5V would come in from a Jamma Harness Using a harness with a. item 7 Jamma Trackball Interface Wiring Harness for 3 Inch Trackball for 412-in-1 PCBs Jamma Trackball Interface Wiring Harness for 3 Inch Trackball for 412-in-1 PCBs. Kick Harness. Another reason why we think this JAMMA harness is the best is that the colors all match the common JAMMA standard. Student. 96 mm) card-edge connector. Each side measures 10. Edge connector includes -5Volts (as well as all other voltages) Button 4 + 5 are also connected into the harness. I'm wondering if anyone can confirm the Super Jamma harness from Twisted Quarter can be used with an Atari power supply. That is an edge connector for using a Nintendo edge connector harness. Pins 1-6, 27, 28, A-F, e, and f get wired to your switching power supply appropriately. Hey guys i just got a new cabinet and it has a jamma wiring harness and im trying to figure the best way i can get sound from a xbox 360 to it. $1. This JAMMA harness is wired for 6 buttons per player and comes with coin counter wiring. Used on many original and aftermarket arcade video game PC boards to connect to power supply and game hardware (joysticks. 5 meters) 22/24 AWG wiring as appropriate. FREE delivery Mon, Oct 16 on $35 of items shipped by Amazon. To hook the JROK to a VGA LCD monitor: 1- move the onboard connector from the CGA position to the VGA position 2- Find an old monitor cable (d-sub connectors) and cut it in half 3- strip back the wiring to. Part #: 80-5100-00 Condition: New: New standard 56-pin Jamma connector and color-coded wiring harness. Quantity: Brand new JAMMA wiring harness made of high quality UL1007 wire. Once you have the jamma harness, just wire it all up following the labels on the jamma edge connector to the relevant point to wire it to. Kujako said: Correct, mine actually has the power adapter (pic was from an image search). 2. Elk Grove, California. This 2 player trackball interface JAMMA harness is for adding a trackball to your 138-in-1 (horizontal), 276-in-1 (vertical), or 412-in-1 (horizontal) Classic Arcade Multigame PCBs. com : JAMMA HARNESS PARTS - Buttons / Switches Currency and Coin Handling Speakers Electrical T-Molding Nuts & Bolts / Fasteners Labels CLEARANCE ITEMS - LOOK. . Yes, l'm trying to learn how to hook one of these up. Product Description. If it isn’t fully wired, make sure it is for what you need it to do. Something to hook the Raspberry Pi to JAMMA. The power comes from the standard JAMMA harness (which gets it from your switcher inside your cabinet. 22/44 PIN EDGE CONNECTOR MAKE YOUR OWN JAMMA HARNESS. ttooddddyy PNG FTW, Joined Nov 29, 2001 Posts 8,335. Joined Sep 16, 2019 Messages 51 Reaction score 15 Location Brazil Oct 18, 2019. You will need either a new harness, or an adapter, or some other component in between to send to correct signals to the right pins on the PB 6 edgeStandard 8 Liner Cherry Master Wiring Harness: $40. My very first Instructable was about an interface (Jammarduino) to connect a genuine arcade cabinet with JAMMA wiring to a PC. What To Do With Your JAMMA Harness by Bob Roberts an article on scratch-building a harness from wire, and connecting it to a cabinet; JAMMA boards - a shop selling harnesses and breakout boards;. Inside the Supergun. 3. 00. Six pin trackball connector pinout:. I will show the harness as well to demonstrate the orientation of the layout. Does any one know the correct procedure to convert the cabinet to jamma? Here's what I know: - dk board has no jamma edge connectors. signals on the JAMMA harness. – Board pinout: Jamma 6 buttons – Power input: 5v/12v (Through jamma aor Molex connector) – Dimensions: 15,2 x 3 x 15 cm . The majority of games use a. 5RC. Donor 12 years: 2012-2023. To connect older non-JAMMA games to a standard JAMMA cabinet a custom wiring harness is needed. The wiring diagram for the edge connector will indicate these sides. The arcade machine was built with great attention to detail and exceeded my expectations in terms of quality and craftsmanship. . In my lack of due diligence, I purchased a harness meant for a Pandora’s box (despite the item title saying otherwise). JAMMA Pinouts. For more inform. The switcher routes +5VDC, +12VDC, and -5VDC, 4 shot buttons,. New posts New media New media comments New profile posts Latest activity. The one in the manual is confusing and not numbered as a standard Jamma, so from the stock Jamma-like harness that Midway used, I mapped each wire. Apr 6, 2016. The majority of games use a subset of this pinout. Features: 200 Watt switching power supply. 2 In the 2010's, Chinese JAMMA boards started mapping the grounds on pins 'e' and '27' to INPUTs, to avoid using a KICK harness. Without doubt, Bob's JAMMA extension harness is the best and he's back to selling them. Price $59. Pull another spare one from the other part of the harness and insert it back in the bad ones position. from United States. Thread starter ShmengeTravel; Start date Jan 19, 2007; S. One thing to note is that JAMMA pins c and 25 are used for the fourth button of player 2 and 1 respectively, just as in Neo Geo MVS. 99. Location. JammASD V3 Card PC to Jamma USB / Mister FPGA Adapter. ~$400-500 CAD for a cabinet with ONE or maybe THREE games when you could DIY your own solution… especially since they are just emulating too, but I’m getting ahead of myself. The JAMMA connector is loaded with connectivity options! Power, ground, joysticks, buttons, and more. The JAMMA standard was invented in 1985; any game older than this will not be JAMMA. The pins used in this plug are part number DF1B-2022SC. RetroArcade. collecting (More info?) is the pinout for the jamma board the same as the original pcb? i had my unkeyed jamma ms pac board hooked up to an unkeyed harness and pulled it off but forgot to remember which way the harness was rotated. Rocky Mount, Virginia. J-PAC. 3ft long fully wired JAMMA extension cable - Ideal for extending your current JAMMA wiring loom. And I can only assume that the instruction manual for the Rev B board are incorrect. - already have the jamma board the switches between both games but it. In the case of JAMMA, it is going to be 5 lines video. ---- Used. JAMMA stands for Japan Amusement Machinery Manufacturers Association, and is the groups that defined the standard connector known as a JAMMA harness for arcade pcbs. 8mm Terminals Buttons with 4. Harnesses come in a range of varieties, but in most cases are used to extend the game's control set to allow 6 buttons per player. The board has 1 JAMMA connector, 1 VGA and 1 HDMI video output connector. Chatswood, NSW, Australia. Number Of Splice Connectors Included: 4. Currently runs fine with my SF II Arcade 1up with the USB encoders. Click Here for wiring diagrams and manuals! UPC: 670541220467 Warranty: 90 Day DOA exchange warranty onlyInstallation of this product requires professional electronic. Before the JAMMA standard, most arcade PCBs, wiring harnesses, and power supplies were custom-built. 35. 25. 50. net pins are labelled with letters and numbers. Jamma Plus Board F. The CPS2 / CP System II has great games such as: 1944: The Loop Master, 19XX: The War Against Destiny, Alien Vs. Chamma to Jamma pinout using a switch. This stylish red Harness Cover will keep your wiring neatly organized. $29. This JAMMA harness comes complete with . $19. connect the 2-pin. The jamma boards detect when the signal is held low (or connect to ground/button pressed). Solder a wire from your Male DB9 connector to your Controller port. Standard Ignition 3. Product Information New Premium Standard 56 pin Jamma connector used on many arcade boards to simplify conversion of game cabinets. Re: Kick harness pinout. 3 MB File. 1 year warranty. boards to simplify conversion of cabinets from one game to another. Add to cart. Standard 56 pin jamma connector with color coded connections for 2 players, power, coin doors, test, service, video, and sound. This harness is a plug and play solution for wiring an upright cabinet to run a new JAMMA multigame pcb with support for two joysticks and 6 buttons. Section 2 – JAMMA Connector and Control Pinouts Solder Side Parts Side GND A 1 GND GND B 2 GND +5V C 3 +5V. $19. CHAMMA (Chinese JAMMA) is a 6 button per player JAMMA pinout variant that has buttons 5 and 6 on pin 26, 27, 54, 55 of the 56 pin edge connector. And the JAMMA harness doesn't include wiring for the AC requirements in the cab since it only connects the DC power to the game board and the game board to the peripherals (monitor, control panel, coin door switches, speaker). Jan. Using a harness with a live -5V connection should be fine (check first) 11 Audio Positive (mono) will accomidate mono fram a Jamma board to one speaker (if wired) Jamma2NeoGeo4SlotPinout. 6 out of 5 stars 29 1 offer from $14. 96mm pitch-edge connector (male on game board). Konami Sub Harness Pinout & Colors For 3 Players & 4 Players. Ex Work Price. The AC line current is connected to the outside lugs. #1. Then Earthshaker followed, a low cost and trimmed. Description. Some games (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. -Move 'Test Switch' wire from Pin 15 -> Pin M. 48-pin Extension Connections AKA Kick Harness **OPERATOR MENUS SECTION 21 JAMMA Harness Connection 43 Main Menu 22 Trackball Harness Connection 43 Value Reset – Collection & Audits Reset 22 I/O Board Power Cable Pin Out Diagram 43. In doing so, one of the challenges I faced was finding a good diagram for the Jamma pinout. Want to know the cool thing?I bought the Jamma wiring harness from the same company as the Pandora's Box and I did not have to disconnect any ground wires. 187 quick disconnects for easy connection of buttons and joysticks, all power lines have terminal forks for easy connection ( +5VDC, +12VDC, GND). $1995. This means it may be possible to plug the JAMMA connector in upside down. It's ugly, but it works. The PCB voltage of ＋ 5V pin CAN NOT exceed +5. Jamma Wire Harness with 56 pin connector. On a JAMMA harness slots 8 and J are reserved for coin counter 1 and 2 respectively. If you cannot use the existing wiring, then remove all the old wiring from the control panel, test switches, coin door, speakers, and PCB power. If you're looking for top quality, that's your only answer. us Jamma Board Standard Cabinet US Wiring Harness Loom for Jamma 60-in-1 PCB Board. Very frustrating. OP. Joined Oct 28, 2007 Messages 5,070 Reaction score 570 Location Washington. or Best Offer. $ Free diagramweb.