Want to use a Logitech G25 shifter on a G27 wheel? In our video, we made a cheap non-destructive adapter with a short DB9 extension cable, swapped two wires, and had the shifter working on PlayStation 3 in Gran Turismo 6.
Quick Verdict
This is absolutely worth doing if you already have a G25 shifter and a G27 wheel without a shifter. The fix is cheap, reversible, and avoids cutting the original Logitech cable, which is the correct level of cowardice when old hardware prices start behaving like antique furniture at an auction.
The short version: buy a DB9 male-to-female extension cable, open the male connector, swap pins 1 and 7, rebuild it, and use that as the bridge between the G25 shifter and G27 wheel.
Why Bother?
The G25 shifter has one trick the G27 shifter lost: the selector that changes it from a normal H-pattern shifter into a sequential up/down shifter. For arcade racers, rally games, and old console nonsense (the good kind), that is a lovely thing to keep alive.
Our G27 wheel was bought as a bundle with pedals but no shifter. The G25 shifter plugged in physically, because of course it did, just to lure us into optimism like a tiny plastic bureaucrat stamping APPROVED on the wrong form. On PC and PlayStation 3, it did not work properly.
What You Need
- A Logitech G25 shifter.
- A Logitech G27 wheel.
- A short DB9 male-to-female extension cable.
- A small flathead screwdriver or another careful prying tool.
- Optional but sensible: a multimeter with thin enough probes for continuity checks.
Do not cut the original G25 shifter cable unless you enjoy turning reversible jobs into permanent little crimes. Use the extension cable as the adapter.
The Pin Swap
Open the plastic shell on the male end of the DB9 extension cable. In our cable, the conductors were arranged as a ribbon cable and pressed onto the connector pins.
With the connector oriented as shown in our video, pin 1 is at the top left. Pin 7 is the second pin along the bottom row. The job is to swap those two conductors, then press the plastic back together so the pins pierce the wires cleanly again.
Cable colours can vary. In our cable, the relevant wires were a brown-ish wire and a yellow wire, but do not trust colours as if they came down from Mount Wiring with a clipboard. Count the pins.
Rebuild And Test
Once the wires are seated, clip the connector shell back together and connect the adapter between the G27 wheel and the G25 shifter. Add the pedals and power, then connect the wheel to the system.
In our video, the shifter buttons worked for navigation and the setup worked in Gran Turismo 6 on PlayStation 3. That is the bit that matters. Not a theory, not a cable drawer ritual, but actual in-game gear changing. Thunk. Off we go.
What Could Go Wrong?
The plastic housing can be fiddly. The wire colours may not match ours. If a conductor is not lined up properly before you press the shell back together, the pin may not bite into the wire and the adapter may not work.
If you have a multimeter, check continuity before plugging everything in. We did not have probes thin enough in our video, because naturally the one tool you want becomes a philosophical object just outside the reach of usefulness.
Also, this guide is for a G25 shifter into a G27 wheel. We are not claiming it works with every modern Logitech adapter, RS50 setup, G29, G920, or USB shifter adapter. If we test those later, we will say so.
Where To Buy
We used a short DB9 male-to-female extension cable from AliExpress:
Affiliate disclosure: We may earn a small commission if you buy through our links. It helps keep the lights on, and occasionally the kettle.
Bottom Line
If you have the parts already, this is an excellent little fix. It costs very little, keeps the original shifter intact, and gives the G27 access to the more interesting G25 shifter. If you need to buy both the wheel and shifter from scratch, price the bundle carefully first, because old Logitech gear can drift from bargain to museum-piece pricing with alarming confidence.
For everyone else, this is the good sort of DIY adapter: cheap, neat, reversible, and useful. The committee of small racing inconveniences is dismissed.
