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How To: Retrofit a heated steering wheel to a Mk3 Leon

grabania

Active Member
Aug 14, 2022
129
153
Gdansk, Poland
grabania.pl
just out of curiosity, conversion done out of interest or is there really an advantage?
5Q1953549G clock spring supports start-stop engine and drive profiles buttons. It is installed in Cupra Leon and Formentor with those additional buttons in steering wheel. That clock spring has two additional connectors (pin 5 and 6) which are absent on any other clock spring

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ViperSlider

Active Member
Mar 26, 2024
104
58
Cardiff, S.Wales
5Q1953549G clock spring supports start-stop engine and drive profiles buttons. It is installed in Cupra Leon and Formentor with those additional buttons in steering wheel. That clock spring has two additional connectors (pin 5 and 6) which are absent on any other clock spring

View attachment 43776
This is great information gathering, well done!

I notice on your spreadsheet that some information, like what vehicles some stalks are fitted to, are missing. Is there a specific reason for this or just not got around to those ones yet? For example, 5FA919719AM is for Leon KL.

1723989553268.png
 

grabania

Active Member
Aug 14, 2022
129
153
Gdansk, Poland
grabania.pl
I notice on your spreadsheet that some information, like what vehicles some stalks are fitted to, are missing. Is there a specific reason for this or just not got around to those ones yet? For example, 5FA919719AM is for Leon KL.
I couldn't be bothered to much to verify and fill every missing information, especially when they are not crucial regarding features. Maybe some day, who knows. That's all :)
 

Slavixs

Active Member
Jan 24, 2023
46
55
A little update with 5Q1 steering control module... Found the bug, that Blue/violet wire from gear selector lever must be pinned to BCM T73A/24, other vise car don't see that it is in Parking, also can't lock car doors in any way... I will update my post about wiring also to avoid problems for other retrofitters.
Now, all things work great as they shold!
Screenshot 2024-08-19 15.27.07.png