the green plug at the back of the obc
Moderator: martauto
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swfc1969
- E30 Zone Newbie

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- Joined: Thu Mar 30, 2006 11:00 pm
- Location: sheffield, South Yorkshire
i have a basic obc time/date/temp, what i need to know is what each wire does coming from the green plug at the back so i can wire it up. is there a obc plug wiring diagram about anywhere?
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E30Mark
- E30 Zone Team Member

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- Joined: Sun Jan 09, 2005 11:00 pm
- Location: Wimborne, Dorset
I don't have the wiring diagram to hand, but why are you asking? the loom should be plug & play, no wiring required...
1 & 2 bed flats in Bournemouth areas, with parking
PM for details
PM for details
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nickso
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- Location: Go do that voodoo that you do so welllllllll!!
i have just removed one of these from a car in the scrappy yesterday and have the loom if you need pics of it or something....i took the clocks that it was attached to just in case they were different from mine.swfc1969 wrote:i have a basic obc time/date/temp, what i need to know is what each wire does coming from the green plug at the back so i can wire it up. is there a obc plug wiring diagram about anywhere?
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ed325i
- E30 Zone Addict

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As mark says it should all just plug in.
ED
ED
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Brianmoooore
- E30 Zone Team Member

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All clock sets, except possibly very early ones, will work with the OBC.nickso wrote:[
i have just removed one of these from a car in the scrappy yesterday and have the loom if you need pics of it or something....i took the clocks that it was attached to just in case they were different from mine.
I've already replied to this post in response to a PM. Said much the same as has been said above.
I've identified a few of the wires for him, but, as you've said it's just a short loom with a multipin plug on each end, so I've never had occasion to work out what each individual wire is, and my wiring diagrams only refer to the 12 button, and aren't complete.
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nickso
- E30 Zone Addict

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ive not fitted it yet but it looks a caker judging how easy it came out, the only bit i didnt get was a bit of loom that disapeared away under the bulkhead behind the glove compartment (next to the white multiplug thing)....it was just two wires...blue and a brown one......kinda hoping this will be present on my car or it probably wont work.Brianmoooore wrote:All clock sets, except possibly very early ones, will work with the OBC.nickso wrote:[
i have just removed one of these from a car in the scrappy yesterday and have the loom if you need pics of it or something....i took the clocks that it was attached to just in case they were different from mine.
I've already replied to this post in response to a PM. Said much the same as has been said above.
I've identified a few of the wires for him, but, as you've said it's just a short loom with a multipin plug on each end, so I've never had occasion to work out what each individual wire is, and my wiring diagrams only refer to the 12 button, and aren't complete.
didnt get the outside temp guage either cos i dont know where it is....not so bothered about this as its either mild or bloody freezin up here
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Brianmoooore
- E30 Zone Team Member

- Posts: 49360
- Joined: Mon Jan 10, 2005 11:00 pm
the wire through the bulkhead is (on a 12 button) for the code function alarm horn and the temp sensor, which clips into the front left brake duct.
The problem with missing out the temp sensor is that every time you turn on the ignition the ice warning gong will sound and the OBC will default to outside temp, and insist it's - 23 degrees.
The problem with missing out the temp sensor is that every time you turn on the ignition the ice warning gong will sound and the OBC will default to outside temp, and insist it's - 23 degrees.
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nickso
- E30 Zone Addict

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- Location: Go do that voodoo that you do so welllllllll!!
bugger, so im going to have to go back and get that wiring and the temp sensor then? didnt see how that wiring would come out easily.....guess ill just ahve to see what i can do
hope its still there on wedsnesday
hope its still there on wedsnesday

'88 e30 328i M52 track bint.
