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Bonnet alarm
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Hangman3
 


Member Since: 25 Jul 2017
Location: Devon
Posts: 33

United Kingdom 2007 Discovery 3 TDV6 SE Manual Alveston RedDiscovery 3
Bonnet alarm

Discovery 3 2007
My alarm keeps randomly going off Sometimes when locking a loud beep sounds as if there is a door open. Sometimes when turning the ignition to two, system check says bonnet open. I have fitted a new bonnet switch so am now lost.
Please help.
  
Post #23410202nd Jul 2023 4:55 pm
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KevinD3
 


Member Since: 05 Aug 2020
Location: Sutton Coldfield
Posts: 1266

England 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

If you replaced the switch but not the catch that may be your issue. If you take a look the catches get all grimed up, they start to stick or not allow the bonnet to go down far enough to trip the switch. Either pull the catches off and fully clean / de grease or get a couple of replacements, they’re cheap enough and removes the chance that the spring in them has gone.
 2008 HSE Stornoway Grey

My Wife thinks the D3 is a hobby, The D3 thinks the wife is 💕 
 
Post #23410232nd Jul 2023 5:36 pm
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A1GSS
 


Member Since: 12 Sep 2010
Location: Saffron Walden, Essex
Posts: 4691

England 

The bonnet switches sold on eg eBay are rubbish. The original switch might well just need a good clean. If you kept the original I'd suggest you try that. Worked a treat on my RRS (L320, it's the same)
 ____
Gone: 10MY L320 RR Sport HSE, Ipanema Sand
Gone: 20MY Jaguar iPace HSE, Silicon Silver
Gone: 17MY RR Evoque SE Tech, Loire Blue
Gone: 08MY Discovery 3 XS, Stornoway Grey
Gone: 07MY FFRR TDV8 Vogue, Stornoway Grey 
 
Post #23410252nd Jul 2023 5:45 pm
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Hangman3
 


Member Since: 25 Jul 2017
Location: Devon
Posts: 33

United Kingdom 2007 Discovery 3 TDV6 SE Manual Alveston RedDiscovery 3

Thanks for the helpful reply's, I will check into them.
  
Post #23410663rd Jul 2023 11:42 am
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eightfoot
 


Member Since: 12 Apr 2015
Location: sunny essex
Posts: 799

United Kingdom 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

^^^^^^^^^^^^^ or you could just bypass the switch with a paper clip to see if that's the problem Thumbs Up
 please excuse any grammer/punctuation mistakes,i'm thick,thankyou
current vehicles 2005 d3 2013 d4 
 
Post #23410913rd Jul 2023 4:16 pm
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Marshall8hp
 


Member Since: 05 Dec 2022
Location: Townsville
Posts: 34

Australia 2008 Discovery 3 TDV6 S Auto Alaska WhiteDiscovery 3

Done that, fixed my problem.
  
Post #23411244th Jul 2023 2:14 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1809

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

which one fixed it?
  
Post #234230416th Jul 2023 8:16 am
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Hangman3
 


Member Since: 25 Jul 2017
Location: Devon
Posts: 33

United Kingdom 2007 Discovery 3 TDV6 SE Manual Alveston RedDiscovery 3

Well I fitted a new switch (EBay by the way) & it did nowt. I then removed the catch, thoroughly cleaned & re-greased it & the problem seems to have gone.
  
Post #234234116th Jul 2023 12:40 pm
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