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D4 Door Mirrors to D3
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M3bobby
 


Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 857

United Kingdom 

Try this then,

D4 mirror loom Pin 1 Red/White to D3 door loom Pin 1 Black/Purple
D4 mirror loom Pin 2 Green to D3 door loom Pin 2 Green/White (Silver/White on diagram)
D4 mirror loom Pin 3 Blue to D3 door loom Pin 3 Black/Blue
D4 mirror loom Pin 5 Black/Grey to D3 door loom Pin 4 Brown/Purple
D4 mirror loom Pin 6 Black/Blue to D3 door loom Pin 5 Black

See if that helps.
 012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete but got an issue)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (Now 2016 L319)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete) 
 
Post #215748629th Jun 2020 10:29 pm
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M3bobby
 


Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 857

United Kingdom 

You can see they are the same for pin 1 to 3 but then they skip one position as this is the position for powerfold (if it had them).
 012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete but got an issue)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (Now 2016 L319)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete) 
 
Post #215748829th Jun 2020 10:32 pm
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JMack
 


Member Since: 02 Aug 2014
Location: Edinburgh
Posts: 1517

Scotland 2006 Discovery 3 TDV6 Commercial Manual Java BlackDiscovery 3

Just to update, I got the mirrors fitted. The mechanical changeover is a straight swap, only issue was one seized bolt which snapped. Managed to find a suitable replacement in my 'box of bits'.

The wiring confusion seems to have come from the wires colours mentioned being at the socket end of the door loom and not the mirror plugs.

I cut the wires on the mirror loom from the plug and removed the pins from the plug. I removed the pins from the D4 plug and cu the plug off the wires. The wires then fitted neatly into the old plug. The colours were a straight swap. Only difference was the red on D3 was red & white on D4, and the two blacks on D3 were black & grey and black & blue on D4.

All tested and put back together and now the passenger side won't adjust! Must just be a bad connection in the plug/socket as there was signs of corrosion in them which I cleaned out, but maybe not well enough!

Anyway an easy enough job if a bit fiddly swapping the plugs over, so anyone considering it should have no fears about doing it.


Sorry, totally forgot to take any pictures Embarassed
  
Post #216059712th Jul 2020 5:55 pm
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