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Disco 3 not starting when cold...advice on a fix please?
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10673

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Very Happy


EDIT:
I would think it would be better if the switch was fitted to the left of the steering wheel ideally.
Then one hand could hold the button and the other hand turn the key.

Although by the door, means you can start it while stood outside the car, and then scrape windows. Whistle
 

Last edited by Pete K on 10th Dec 2020 12:28 pm. Edited 1 time in total 
Post #202415631st Jan 2019 9:23 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Here's the photo of my button to switch my resistor in and out
  
Post #20248832nd Feb 2019 7:24 pm
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DVE
 


Member Since: 26 Dec 2018
Location: Sheffield
Posts: 47

2005 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Very neat. Any possibility you could post a picture of how you have wired it into the engine compartment wires?
  
Post #202763111th Feb 2019 9:18 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Hi all I used was some twin wire. I cut the wires by the edge of the plastic coweling then run it back to the bulkhead then across the engine bay to the plastic box where the brake servo is. Then inside the box you can see a rubber grommet make a hole I it and that's your way in to the cabin. I'll try an get some more photos
  
Post #202764011th Feb 2019 10:01 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Hi here are some photos of my install
  
Post #202829213th Feb 2019 10:51 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

See photos
  
Post #202829313th Feb 2019 10:53 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3











  
Post #202829413th Feb 2019 10:53 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Sorry they seem to be in reverse ordet
  
Post #202829513th Feb 2019 10:55 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

here are the photos of the wiring route
  
Post #202843514th Feb 2019 1:17 pm
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DVE
 


Member Since: 26 Dec 2018
Location: Sheffield
Posts: 47

2005 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Brilliant. Thanks Flapper.
  
Post #203161024th Feb 2019 8:32 pm
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3
Getting cold again £5 cold start fix.

If you glow plugs are shot and your fbh is broken you can still start your car see pictures and diagram.
Enjoy
  
Post #217603225th Sep 2020 5:03 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10673

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Live listings of relevant parts :

https://www.ebay.co.uk/itm/TE-CONNECTIVITY...4902.l9144


https://www.ebay.co.uk/itm/Blue-Off-On-Mom...4902.l9144
  
Post #219290010th Dec 2020 12:23 pm
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Kenny57
 


Member Since: 12 Apr 2020
Location: Essex
Posts: 173

United Kingdom 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi folks, Hi Pete,

in another thread I was directed by Pete K to this solution for cold starting with no glow plugs or aux heater. Tried it and it definitely works, many thanks. What I'm struggling with is firstly "why" it works, and secondly, why would LR not use this as fall back programming albeit with warnings to get your glow plugs fixed. Anybody know?
  
Post #219298710th Dec 2020 6:14 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10673

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

1. I think it injects less fuel and maybe that produces a better result in more dense air.
I suspect this trick won’t work at extreamly cold temperatures, however for those living in the UK it’s nice to be aware of and exploit.

2. Nice idea. Maybe LR don’t even know about it!
And secondly the D3 doesn't know that the GP have failed (where as jaguar and D4 3.0 models do)
 

Last edited by Pete K on 10th Dec 2020 6:53 pm. Edited 1 time in total 
Post #219298910th Dec 2020 6:20 pm
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DN
D3 Decade 


Member Since: 23 Jun 2006
Location: W.London.
Posts: 2344

Ukraine 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

Hmmmn, I had forgotten about this little trick. Considering doing this as a back up, although I am now retired Milestone ......so I don’t start the car most mornings like I used to Laughing Where could I source suitable twin wires ( preferably encased in black sheathing like flappers set up), and where physically is it best to fit the resistor, under bonnet or behind dash ? Sorry for all the questions. Thumbs Up
 D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years.  
Post #219299410th Dec 2020 6:34 pm
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