Desperate help with driver door switches/controls

[Aranogar]

Right so I have just picked up my 3rd mk5 golf and have run into a bit off a problem, all the electronic items in my drivers door do NOT work the only things that do are the speakers (tweeter aswell). I have checked all the fuses and all seem to be ok I have removed inner and outer door panels and checked all the plugs and the harness; found nothing wrong no broken wires, I have also looked arround the 8 pin plug between the door and car found nothing wrong? Any ideas what it could be it’s driving me nuts.
List of items not working:
-windows up/down
-mirror adjuster knob
-central locking buttons
-fuel cap release
-central locking

Note - I have tried undoing windows with key and none work also tried inserting key and holding it in both positions... still no luck!


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[f927]

fuses are o.k.
most likely be the wiring harness which comes through the piller into driver side door.

[Aranogar]

I have checked the harness it all seems ok but I haven’t unwrapped it mabye ill try that and check each and every wire, or mabye check continuity from the 8 pin plug to all the other ends of the wires


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[bill.wj.wilson]

Corrosion can play havoc with contacts a good clean can work wonders.

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[vag_tech]

Post full scan of returned codes after clearing and key cycle. Common issue can then be traced with reference to circuit diagrams. As mentioned, corrosion at a connector may be a factor, plenty others with potential too, however.