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+--- Forum: Retrofitting (https://forums.spaycetech.com/forumdisplay.php?fid=13)
+--- Thread: R-Design steering Wheel (/showthread.php?tid=68)
RE: R-Design steering Wheel - VolvoGP - 08-25-2025
(04-11-2023, 11:30 PM)GRG Wrote: Problem solved! Now the paddles work perfectly!
In the end I don't know why but my car has been built without the 3 wires needed for the paddles....once i added the 3 extra wires everything started working as intended!
Since my car has the standard gear shift (not the shift by wire one) the procedure is a little bit different from the other one made for the shift by wire!
So here is a small "how to" for the users with standard gear shift!
1) disconnect the battery
2) remove the steering wheel and gain access to the steering harness
3) behind the steering harness you can find this connector (the 3 wires needed are the nr. 11, 12, 13 if missing you have to add them)
4) these 3 wires need to be connected into the gear shift connector (the green one)
the connection path is the following:
11=>YE/VT (gear connector cable color)
12=>BN/YE (gear connector cable color)
13=>BN/GY (gear connector cable color)
end result!
5) Done! close everything, put the new steering wheel, code with orbit and enjoy!
Great work GRG!
I would also like to try this on my 2022 T8 S60.
However, I don't really want the paddles, just the ability to change gear on 'D' (not just 'B') with the gear selector itself. Post here: https://www.swedespeed.com/threads/manual-shifting-on-d.686813/
If I re-feed the correct signals from the gear selector to itself (YE/VT, BN/YE, BN/GY) and enable the paddles settings through orbit, do you think I can achieve the desired result?
A follow-up question might be, are the 11, 12, 13 signals 'constant' signals or do they get converted into CAN before reaching the gear selector?
Thanks in advance.
(02-03-2024, 08:59 AM)IMAY2023 Wrote: Well, I can tell you this.
I retrofitted steering wheel with paddles and my S60 was missing the three wires from the SWM to the connector of the shifter on the center console.
I used ohm meter to check the paddles and wiring is correct. When I tested resistance, it did not register any resistance. Paddle shifters are different than button on the shift nob.
The paddles are sharing the ground wire and returning ground signal to two different pins. The circuit always closed, pressing a button cut the circuit on one side. This is how TCM knows up/down shift. If the ground does not return to one of the pins continuedly (circuit is open) . A DTC is generated. The paddle circuit ,might have capacitors or some other component to block back flow from other side.
I a, mot sure what you are trying to achieve those paddles are cheap but anyway. Good luck
IMAY2023, above you mention that the paddles are 'normally closed' and the circuit 'opens' when a paddle is pressed. Regarding my above question to GRG, is the voltage that is passed through the ('normally closed' paddle) circuit zero?
Thanks
RE: R-Design steering Wheel - IMAY2023 - 09-22-2025
Quote:IMAY2023, above you mention that the paddles are 'normally closed' and the circuit 'opens' when a paddle is pressed. Regarding my above question to GRG, is the voltage that is passed through the ('normally closed' paddle) circuit zero?It's been awhile since I measured the resistance and the voltage. If I recall correctly,
11=>YE/VT (gear connector cable color) Is the ground from the TCM
12=>BN/YE (gear connector cable color) Left paddle return
13=>BN/GY (gear connector cable color) Right paddle return.
When no paddle is pressed, the circuit is closed meaning both paddles returning the ground from PIN 11 to 12 and 13. There is no positive voltage in this circuit.
Pressing the paddle cuts the circuit thus the negative "ground" connection to one PINs (12 or 13)