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D3 Auto gear box wiring
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Mark.cp89
 


Member Since: 15 Mar 2024
Location: Burton-on-trent
Posts: 4

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Maya GoldDiscovery 3
D3 Auto gear box wiring

Hello, I’m mark and new on here, thought someone on here would have the answer I’m Looking for…

The plug to my gear box had a corroded pin so as I couldn’t find a replacement pin for it, I was advised to swap the plugs for a better ones..

Does any one know what each wire is for, there is two twisted pairs on it and two identical yellow wires? What do these go to?

I have looked at some wiring diagrams, however it saying that twisted pairs are shown with them crossing over. Yet the diagrams for the auto box, do not have any twisted pairs shown but clearly are in the loom.

Thanks in advance
  
Post #236538228th Mar 2024 7:57 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18561

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Hi Mark,

You can get replacement terminals and wire seals, from BMW. If you want to go down the pin replacement route then I can advise part numbers.

One pair of twisted wires is the Yellow/Black, Yellow/Brown CAN bus pair. Not sure what the other pair is.

If you've seen the wiring diagrams (307-01) then each wire is shown where it goes and what it is for.

There are indeed 2 yellows and also 2 green/white wires. The 2 yellows are the same size, the green/white are two different sizes.

Both yellows go to the shifter, probably the easiest place for access if you wanted to check for continuity.
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Post #236538828th Mar 2024 10:19 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10677

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

They are CAN bus and very important.

Replacement looms are cheap on eBay. Make sure you look closely and get the correct one.

Example

https://www.ebay.co.uk/itm/196177935517?mk...media=COPY
  
Post #236538928th Mar 2024 10:21 pm
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Mark.cp89
 


Member Since: 15 Mar 2024
Location: Burton-on-trent
Posts: 4

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Maya GoldDiscovery 3

Brilliant, thank you Martin & Pete.

I will do some more digging!
  
Post #236541829th Mar 2024 4:06 pm
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rowlejohn
 


Member Since: 15 Sep 2017
Location: Montmorillon, Vienne (86)
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France 2008 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Try Gentlemen of Salvage on Fleabay...They are very good and their delivery is very fast
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Post #236542429th Mar 2024 8:14 pm
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