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jrharte



Member Since: 08 May 2016
Location: Newry
Posts: 20

United Kingdom 2000 Defender 90 Td5 X-Tech LE Zambezi Silver
I've got a horn problem, and viagra won't fix it :)
Hey Guys,

I have a 2000 defender td5.

This morning I came back from a walk and the horn started going by itself. All different pitches high, low, on, off, constant etc. On the drive home (horn still going mental), the wipers came on once or twice.

It stopped after a few minutes, but now the horn doesn't work when the button is pressed but everything else seems back to normal.

All fuses are fine and there's power at the switch.

Do you need to remove the wing to get a the horn? I took off the headlight surround and I can see the horn but there's no access.

P.S. I have another electrical problem with fuse 19 blowing. RH side light, dip dim, tail light, fog light, and dash back light are all cut when the fuse blows. (I've had this problem for a few months but haven't got it fixed).

Could it possibly be a bad earth causing the whole lot? Saying the wipers went when the horn went off (and wipers are a different circuit and switch).
Post #672665 22nd Dec 2017 3:40pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3602

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
possible loom rubbed through to earth DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #672667 22nd Dec 2017 3:46pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19452

United Kingdom 
Does sound like a loom issue, with multiple live feeds.

Hope you've not had any rodent issues? Shocked Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #672668 22nd Dec 2017 3:49pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Rodent issues with your horn Shocked ooo err Laughing 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
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Post #672692 22nd Dec 2017 5:24pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 890

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
You can access the horn from the engine bay. Just a tad fiddley and you have to do it blind (by feel), but its definitely doable. And I agree with the others that you obviuosly have a wiring loom issue. Check your wiring under steering column fascia inside. Remove and verify condition of all the wires there first. Then trace to the bulkhead and finally into the engine bay.

Horn wiring


Click image to enlarge


Ground wires


Click image to enlarge


Switch wiring.


Click image to enlarge






Good luck and Merry Christmas mate. 👍 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #672714 22nd Dec 2017 6:55pm
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NormanD



Member Since: 12 Aug 2011
Location: Bristol
Posts: 282

England 2015 Defender 110 Puma 2.2 USW Santorini Black
Try looking behind the Fuse Box for water ingress, on my 300tdi, the Vent Openings were leaking causing water to flow down the Bulkhead behind the Fuse Box causing the wipers to operate on their own, resolved by using new sealing elements on the openings, NormanD WE191

2015 110 XS Utility
2014 VW Caravelle 180 Executive
Post #672768 22nd Dec 2017 10:59pm
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jrharte



Member Since: 08 May 2016
Location: Newry
Posts: 20

United Kingdom 2000 Defender 90 Td5 X-Tech LE Zambezi Silver
Took off the light again today and removed the horn connection, one of the wee pins was wrecked so that's how the horn got busted..

Luckily my gf was in need of a new horn for her Jimny, I bought a generic horn but haven't fitted it yet. I tested power was going to the horn, cut the connector, stripped the wires and fitted spades for the new universal horn (may as well fit it while everything was off!).

Everything working fine, and I replace fuse 19 (the one that kept blowing), had a drive around with lights on and everything seems to be working again.

Let's hope that sorted it.
Post #672840 23rd Dec 2017 3:13pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Fingers crossed Thumbs Up 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #672842 23rd Dec 2017 3:21pm
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