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I was working on the retrofit of the ambient light on my 2017 Q7 P-Plus and have been looking at the wiring diagram. The diagram in below describes the ground connection point 841, which is a welding point. But I looked through all repairing manuals and can't find anything mentions about the location of these ground connections. Any one can shed some lights please?
Looks like if you find any "brown" wire (no stripe) in the instrument panel wiring harness, you should have your ground (looking at the above schematic, I haven't checked under the dash though). Typically they keep power and ground colors the same throughout all the circuits.
Yeah man they list a bunch of connections starting on page 618 but sure enough don’t mention the one in question. I really dislike the factory service manuals they offer us. There’s gotta be something better.
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08-11-2018, 12:44 AM
How to locate welding point?
