Ive wired up my spots today following this diagram below
Click image to enlarge
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Is this correct and can anyone tell me what colour wire is the Full beam and where it is from inside the cabin , behind the original switch, as ive implemented this in the space on the oem switch. shoud the + and full beam @ the switch be the other way round
I,ve so far got no power to the spots . Please help
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20th Aug 2010 6:37 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563
You should have an earth to terminal 86 on your relay, otherwise the relay coil does not have a voltage across it.
Assuming your switch is not illuminated and is a simple rocker which is breaking the feed from the main beam wire (blue) to the relay (red wire to 85) then you don't need an earth connected to it.
Any more info you can provide about the switch?06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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yeah i have a ground to 86 on the relay (forgot to put that in on my diagram)
I really need to find which wire is the mainbeam, under the dash (driver side) ??? do you know what colour wire this is.
Thanks
20th Aug 2010 8:03 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563
Without looking at the diagrams I don't know the colour, but I have a feeling that the wires from the column switches are earth switched, rather than 12V.
In that case, you would need to wire a 12V feed to 85 (say) and the wire from the switch to 86.
Will confirm for you shortly...06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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20th Aug 2010 8:13 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563
Main beam wire from the column switch is an "earth trigger" to the general electrical module, and it's blue with a red stripe.06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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Where would i then put my earth for the relay, would you be able to show us a quick diagram
As you can tell im not an electrician, but with a bit of help can do the job
Much appreciated
20th Aug 2010 9:02 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563
You don't need a separate earth at the relay as the column switch provides it. Effectively the column switch is in the earth feed to the coil, instead of the 12V feed.
Here's a diagram, I don't know which terminal does what on the switch in your diagram (can't work out what the thing is near the middle pin!) so I've replaced it with a schematic.
06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563
OK in that case this won't work, as there is no power feed from the main beam switch to illuminate the lamp 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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Would going back to the original set up then running a wire direct to the switch from the light unit work
21st Aug 2010 9:37 am
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18563
Yes, if you run a wire from one of the main beam 12V feeds - Blue with Black for right hand, Blue with Slate for left hand.
I would imagine that the terminal labelled with a light on your switch is supposed to be the output, so a diagram like this would be what you want..
This will mean that the illumination in the switch will come on only when the switch is down AND main beam is on. Do you want the switch illumination on all the time it's down (main beam on and off) to tell you the spots WILL be used?06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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