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falkster



Member Since: 12 Nov 2023
Location: Sutton Coldfield
Posts: 64
Germany 1988 Defender 110 V8 Petrol CSW Trident Green
1988 OneTen, unused wire identification centre console
Hi all,

new to Land Rover vehicle electrics.
My OneTen has an aftermarket centre dash fitted which I took off to install a few USB sockets and a Coolant level warning light.

I found a number of unused wires in there that don't connect to anything.
There is a white one, which I believe is the ignition feed?
there is a green one, which I would expect to be somehow light related? It has a spade socket at the end so I would have thought it should connect to something?
and we have a red-white wire as well...

Anyone able to help with the identification or point me in the right direction?

On a side note, am I right to assume that red wires would be a permanent live?

Thanks. Thumbs Up
Post #1037685 17th Jun 2024 2:13pm
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PaulMc



Member Since: 17 Jan 2009
Location: Kent
Posts: 499
United Kingdom 1989 Defender 110 2.5 TD HT Arles Blue
From 1986, a "one size fits all" composite main wiring harness was fitted to 90's, 110's (and 127's).

This has provision for both petrol and diesel engines, as well as some of the options.

So, there will be several unused connectors behind the instruments and the centre of the dash.

Brown wires are unfused permanent live.

White wires are unfused ignition-switched live.

Purple wires are fused permanent live.

Green wires are fused ignition-switched live.

Red wires are sidelights/instrument illumination.

Blue wires are main/dipped lighting.

The exact circuits are denoted by trace colours on the wires. Paul.
1989 Arles Blue 2.5TD 110 Hardtop
1999 Epsom Green Discovery II 4.0 V8i 'XS'
Post #1037809 18th Jun 2024 6:08pm
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falkster



Member Since: 12 Nov 2023
Location: Sutton Coldfield
Posts: 64
Germany 1988 Defender 110 V8 Petrol CSW Trident Green
Thank you PaulMc!

This is a brilliant response and also thanks for the general info about wire colours. This will make reading the diagrams so much easier... Bow down
Post #1037872 19th Jun 2024 12:52pm
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