Edwrai
Member
Hi Ed,
Yes it does look to do that as per the aftermarket installation document you found. Having retrofitted seat heating a few times now I can confirm that there is only 4 feed/supplies required.
Not in pin order:
1. Pre-ignition live - terminal 30
2. Ignition live - terminal 15
3. Ground - terminal 31
4. Button illumination - 58b
I can only assume the picture guide is using Pin #2 at the light switch connector as a source for a terminal 15 feed. I’d have to check the EWD to confirm though.
Mac’s helpful screenshots above has all the answers too.
Kind regards,
Tom
The mk4 golf which I have wired before also uses this setup as you have described I think the wiring diagrams attached earlier are missing line 8 and 7 which I think shows the 30 connection.
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