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Author Topic: where are the earth wires located on the mk3 golf?  (Read 3182 times)

Offline dan832

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where are the earth wires located on the mk3 golf?
« on: 14 January 2011, 22:06 »
as the subject says...
can anyone tell me where they are? as i think my car has a bad earth connection due to the rough idle and the electrics causing the dashboard illumination to flicker and dim every so often!
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Offline adi

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Re: where are the earth wires located on the mk3 golf?
« Reply #1 on: 14 January 2011, 22:11 »
There are some under the battery tray.
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Offline dan832

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Re: where are the earth wires located on the mk3 golf?
« Reply #2 on: 14 January 2011, 22:18 »
would a bad earth cause intermittend rough running issues? because this only started to happen during the cold snap we had, and since then its done this to me
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Offline adi

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Re: where are the earth wires located on the mk3 golf?
« Reply #3 on: 14 January 2011, 22:27 »
It can, i would scan it with  vagcom and see if there are any code's also have you cleaned the throttle body?, the dizzy cap may also have damp inside give it a good clean and some wd40, possibe coil or relay's.
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Offline dan832

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Re: where are the earth wires located on the mk3 golf?
« Reply #4 on: 14 January 2011, 22:43 »
Mines a vr6 i dont htink it has a dizzy cap just a coil pack, ive checked the coil pack for sparking or cracks by sprayign a mist over it,

basically i can only describe the car feeling like an old beetle which i have been in and thats what i can compare it to and plus the performance too.. it comes back to normal asthough everything is fine then it will go back to running like a beetle lol.. sometimes ive took the car out and its driven fine just a few splutters it just comes on out of no where. the MPG is roughly 21 and that is rubbish for a vr and is obvious that somethin isnt right.

ive sprayed the throttle body with carb cleaner it was pretty dirty got my toothbrush in there and it came out black gave it a once over and still runs like poop...
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Offline adi

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Re: where are the earth wires located on the mk3 golf?
« Reply #5 on: 14 January 2011, 22:47 »
I did not realise it was a vr, i would scan it for code's, and clean the earth's.
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Offline dan832

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Re: where are the earth wires located on the mk3 golf?
« Reply #6 on: 14 January 2011, 22:57 »
okay i will go to gsf tomorrow coz i ordered a coolant temp sensor im doing a little trial and error taking a few things back and returing them becoming a regular! i will be looking into the O2 sensor so im gonna order one of those also! i ordered ht leads thinkning it was those fitted them and it wasnt them.

ill clean the earths before i head out to see if its that

thanks
dan
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Offline javalin

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Re: where are the earth wires located on the mk3 golf?
« Reply #7 on: 18 January 2011, 19:45 »
some ECU earth's are on the front of the engine block (8v).  Worth doing, remove, clean up with sandpaper and electrical cleaner and re-attach...

> im doing a little trial and error taking a few things back and returing them becoming a regular
I hate people that do that.  Then the rest of us get your used (and poss broken) parts.

James
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You only ever need two tools in life. If it moves and it shouldn't use Duct Tape. If it does not move and it should, use WD40.
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