When the main PCB tries to read rim PCB's shift registers, if the serial data line is damaged somewhere, you may get issues like this, since the main PCB will read that the specific button as active, regardless of the actual state. Checked out the G27 board in KiCad, and It really seems like an identical board with a few appearance tweaks (Apparently just so Logitech could say it's 'newer', lol!). I believed they were JST PH 2. I purchased a replacement optical encoder and that's on the way. This independent brake works seamlessly with popular wheel setups like Logitech G25, G27, G29, T500, and T300, as well as Fanatec and OSW systems, adding authentic control to rally, drift, and endurance sims without any driver installation. These are the motors that create forced feedback as well as any resistance that the game puts into the steering. Improve pedal feel with a proportional increase in firmness. Oct 25, 2025 · Find many great new & used options and get the best deals for For Logitech G27/G29/G920 Steering Wheel Motherboard Button Board Repair Part at the best online prices at eBay! Free shipping for many products! I was wondering if anyone knows a good resource with the pinout and communication protocol of the Logitech G29 (or G27/G25) steering wheel. > ⚠️ Rounded Logitech Jul 19, 2024 · Hi guys, I attempted to repair my Logitech G27 racing wheel. Opt out of replies: "haikusbot opt out" | Delete my comment: "haikusbot delete" Reply reply protomor • Reply reply More replies key-6797 • i have just replaced the motor wires with solid copper wires and removed the jst style plug, solder the wires directly to pcb, noticeable differencece in torque and ffb feel Reply reply protomor • Sep 2, 2015 · Now follow this step by peeling off the self-adhesive backing and positioning the new PCB within the top section of the G27’s housing. Unplug the three plastic connectors on the left side of the PCB board. Carefully remove the two plastic connectors with a plastic opening tool or your hands. Leo Bodnar Electronics : Firmware Download - Cables Loadcell Amplifiers Universal USB Interfaces Racing Simulator Products Buttons, Encoders, Switches SimSteering Force Feedback Enclosures Potentiometers, Sensors GPSDO Precision Frequency Reference NTP server GPS Antennas Fast pulse generator RF and Instrumentation Parts and Components Video Signal Equipment Ham Radio Products Legacy Products Jul 18, 2017 · The idea behind this project is to create open and inexpensive USB HID adapter for Logitech G25 / G27 pedals and shifters based on affordable components. 72 (7% off) Carefully lift the wheel off of the hub, exposing the 2 shifter paddle wires and PCB board. That way you will upgrade both resolution, make them standalone, and depending on the board be able to hook up button boxes as well. 6/0. Looks like this board works as a teensy Sep 29, 2020 · Obokidly Main Board Motor Mainboard Steering Wheel Motherboard For Logitech G29 G27 Replace Original Steering Wheel Gear (For G920 with button cap) Brand: Obokidly Unlock full potential with G HUB! Customize Logitech G gear: mouse, keyboard, headset, webcam settings. One more note here. Material: plastic. - Easy to install and use. 50 $95. They don't do exactly the same job. Replacement internal G27 cables? I searched for this previously, and did not find anything. it seems that the power it's getting to the motors. Go to the lower portion of the shifter; remove two black screws and four silver 15. Jun 21, 2023 · If your Logitech G27's shifter stops responding, you may need to replace the potentiometer inside it. Unplug the two plastic connectors on the top of the PCB board. 10000+ "logitech steering wheel without buttons" printable 3D Models. > ⚠️ Rounded Logitech Oct 22, 2019 · But, if you end up needing a pcb, then why not go for a leo bodnar board usb board. Jul 31, 2023 · If your Logitech G27 will not respond properly, even after calibrating, you may need to replace its optical encoder. Dec 10, 2025 · Logitech G29 Motherboard Main Board PCB Circuit Board Replace Steering Wheel $85. Carefully remove the PCB board from the wheel hub. The potentiometer is the electrical component that keeps track of which gear the shifter is on. For Logitech pedals that are connected to a Thrustmaster wheel the circuit needs to be changed a little bit. i viewed a video that it my have to do something with the circuit board 12R. L Applicable M odel s: for Logitech G27/G29/Tumast TH8A/TH8S/Leistat A7. Remove the two 7. Carefully pinch and unplug the large 7-pin connector under the PCB board. - 1 x Motherboard. A g27 board will be configured for the motors and if they are weaker then the ones on the g25 then you will just hurt it as well as well as the connections being different I imagine sonyoubwpuld have to do a lot of reverse engineering to work out what wire goes where and possibly making new mounting positions for the board in the g25 chassis Aug 15, 2013 · Apologies if this information is already available somewhere, but my limited search skills (here and google) haven't brought it to light.

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