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Instrument binnacle - what’s this?

GregBarton78

GregBarton78

PCGB Member
Member
Hello, presently trying to find what’s draining my battery (something in the interior lighting circuit is pulling 0.9a when switched off) and have pulled the instruments out as I lost backlighting. bulbs are all ok so must be linked to some other electrical excitement that’s going on.


anyway - I found this connector tucked away? Answers on a postcard please?


 
I‘m a bit crap with wiring diagrams, we have a brown/white, a yellow, a blue and a grey. Wondered if part of cruise control wiring? Can’t see where it has ever been connected.



 
I have found a few diagrams on line, I`ll dig into them ... I`m well used to VAG diagrams for my older Audis and Golfs, where brown / white and yellow are lighting related. As for the blue and grey ... ?

Quite normal to have a few unused plugs given options available but not taken

Can you identify what section of the main loom it originates from ?
 
It appears to come in behind the instrument panel from the main loom.


Its been doing slightly odd things electrically for a bit and I am now losing the whole battery in a week so trying to isolate it.


when driving sometimes if I flash the headlights it cuts the radio and ignition briefly and I steadily lost all the dash backlighting- all bulbs tested ok so am suspecting the instrumentation is at fault - odo was jammed so could be something there.
 
... Hopefully that`ll fix it, am part way through a 263 page wiring manual looking for your odd plug :p

Prior to your last post I would have suggested an earthing issue, often ... there are common earth points " on many older cars " that are relative to multiple systems / functions
 
Just a quick one - the door switches can cause all sorts of weird electrical issues when they start to corrode. They aren't mega expensive and actually a standard VW part, once fitted to many VWs of the 80s, 90s.
 
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