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jfarrell32



Member Since: 23 Sep 2014
Location: Straffan
Posts: 25

Ireland 
The devil has taken over my RR TD8 2007

Tonight as we prepared to go to bed the devil seems to have taken over our RR. The horn started blaring and no matter what I did it continued intermittently. I tried spraying wd40 on the door locks and bonnet latch in case there was a sensor somewhere but with no success. Eventually I disconnected the battery and am now going to bed. Any thoughts or suggestions on the source of the issue would be very helpful. Crazy machine.......

Post #450954 14th Sep 2017 11:18pm
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DrF



Member Since: 30 Jun 2014
Location: South East
Posts: 1229

United Kingdom 2013 Range Rover SVAutobiography 5.0 SC V8 Orkney Grey

buy some ear plugs, i suspect it was getting cold and lonely Thumbs Up

Post #450972 15th Sep 2017 8:05am
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nickt68



Member Since: 05 Nov 2010
Location: Herts
Posts: 97

2015 Range Rover Vogue SE SDV8 Santorini Black

Did it stop when you unlocked it? I recently had problem with the alarm going off and it was diagnosed as a faulty bonnet sensor. Had this replaced and (touch wood) not had an issue since.

Post #450974 15th Sep 2017 8:19am
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jfarrell32



Member Since: 23 Sep 2014
Location: Straffan
Posts: 25

Ireland 

no! I tried turning on/off, short driving, open and closed all doors and bonnet. Eventually disconnected battery.......

Post #450982 15th Sep 2017 9:33am
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Strider



Member Since: 08 Jun 2015
Location: Hertfordshire
Posts: 497

England 2007 Range Rover Vogue SE 4.2 SC V8 Zermatt Silver

The same thing happened to me after the AA man changed my battery, when we were manhandling the bonnet
into the service position and locked it, i noticed the bonnet was flexing quite a bit. So I suspect the switch plunger
wasnt close enough to the bonnet inner skin to set itself to the off position.

Anyway, later in the evening the same day the alarm kept going off, on a hunch I unplugged the bonnet alarm switch, sorted!!!.

Post #451034 15th Sep 2017 6:22pm
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northernmonkeyjones



Member Since: 24 Mar 2012
Location: derby
Posts: 8479

United Kingdom 2016 Range Rover Autobiography SDV8 Santorini Black

+1 for the bonnet switch, mine on the disco was playing up a couple of weeks ago, kept setting the alarm off! There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
Fiat 500x 1.4 multiair Lounge 2015
2010 LR D4 Commercial 2.7 TDV6

Post #451036 15th Sep 2017 6:48pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

If not the bonnet sensor, try locking the car with a double press, to deactivate internal sensors.

I had a big (and I mean big) spider running around in the car after shifting some old stuff for my father, kept the alarm going off middle of the night when "he" was moving about. .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Post #451043 15th Sep 2017 8:26pm
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A1GSS



Member Since: 24 Dec 2010
Location: Saffron Walden, Essex
Posts: 1973

England 

^+1

Was the bonnet sensor on mine. Graham

____
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 #451061 15th Sep 2017 10:19pm
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rar110



Member Since: 09 Aug 2014
Location: Brisbane, Australia
Posts: 1119

Australia 2008 Range Rover Vogue TDV8 Atacama Sand

I also vote bonnet switch. In my case the plastic bracket holding the switch had cracked which allowed the switch to drop and simulate the bonnet being open. ______________________________
Vogue tdv8 08MY poverty pack - wow

Post #451088 16th Sep 2017 10:28am
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jfarrell32



Member Since: 23 Sep 2014
Location: Straffan
Posts: 25

Ireland 

Guy in the local garage fixed it - I was told bonnet sensor but now the horn does not work. Why would disconnecting the bonnet sensor stop the horn from working?

Post #451124 16th Sep 2017 5:08pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

Had a look at the wiring diagrams for '02 - '05 (so might be different on your later model), the horns and the alarm system do not appear to be connected in any way.

Worth checking fuse 10 and 53 (related fuses for above model years) for horns.

What exactly did the "guy at the local garage" do ? .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Post #451146 16th Sep 2017 11:02pm
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