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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-25-2014, 02:21 PM
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Wich wire its negative and positive

Hi mates
I currently dont have a voltage tester i was wondering if you guys know wich wire its negative and wich one its positive from those 3 wires. Those wires are from the front signal light wires.

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  #2  
Old 01-25-2014, 02:24 PM
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Quote:
Originally Posted by david831 View Post
Hi mates
I currently dont have a voltage tester i was wondering if you guys know wich wire its negative and wich one its positive from those 3 wires. Those wires are from the front signal light wires.

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In my experience, brown, on BMW, has often been negative.
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See also: E39 Bestlinks & How to easily find what you need
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  #3  
Old 01-25-2014, 02:57 PM
White94RX White94RX is online now
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Brown is always ground on a BMW.
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  #4  
Old 01-25-2014, 02:59 PM
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Thanks mates! Wich one will the positive be?

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Old 01-25-2014, 04:04 PM
JimLev JimLev is offline
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Both of the other are positive, one should be for the directional bulb and the other for the parking light.
The bulb in that socket should have 2 filaments in it.
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  #6  
Old 01-25-2014, 04:23 PM
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Thanks for the reply jimlev
Wich one send 12v cleanly to use to connect the halos?

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Last edited by david831; 01-25-2014 at 04:28 PM.
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  #7  
Old 01-25-2014, 04:58 PM
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Its the green and white one for the DLR right?.. Don't take this as. An answer to your question. But I think you wanna tap the green and white For the halos.
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Old 01-25-2014, 05:01 PM
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Its the green and white one for the DLR right?.. Don't take this as. An answer to your question. But I think you wanna tap the green and white For the halos.
JDeGraff89,
I got no idea but i would like my halos to be DLR...I need one negative wich is the "BrowN" wire ...Now i need a positive from the same connection to tap it to the positive wire from halos.

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Old 01-25-2014, 05:03 PM
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I'm looking into it right now. But google isn't giving me any clear cut paths
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Old 01-25-2014, 05:12 PM
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Ok so.. Do you have the self splicing wire clamp things? They cut the insulation and tap into the wire. If you are using these I would be able to recommend trial and error. Because you can remove them and just cover the insulation with either heat shrink or electrical tape.
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Old 01-25-2014, 05:12 PM
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Originally Posted by JDeGraff89 View Post
I'm looking into it right now. But google isn't giving me any clear cut paths
Yeah i agree with u on google.

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Old 01-25-2014, 05:21 PM
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Quote:
Originally Posted by JDeGraff89 View Post
Ok so.. Do you have the self splicing wire clamp things? They cut the insulation and tap into the wire. If you are using these I would be able to recommend trial and error. Because you can remove them and just cover the insulation with either heat shrink or electrical tape.

Jdegraff89
Yes those are the wire crimping connectors ill be using for the install.

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Old 01-25-2014, 05:24 PM
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Ok.. Trial and error man. And please report back with the answer. Again my hunch is the green and white but I am not 100% certain. But those connectors only make a thin slice and shouldn't cause massive damage if you were to remove them.
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Old 01-25-2014, 05:59 PM
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Any do it yourselfer needs a multi meter. Even a cheap one will do what you need it to.
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Old 01-25-2014, 07:03 PM
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What size of gauge wire you guys recommend for this istallation?

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Old 01-26-2014, 01:40 PM
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Wheres the safest place to power relay

Sup mates
As you can see im trying to power some halo lights . I would like to connect a relay so i can add an on and off switch . Do any have a wiring diagram that shows me how to wire them? Any help its greatly appreciated.

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Old 01-26-2014, 11:36 PM
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I typed /angel eye f3 in the bestlinks, and this came up quicker than it took me to type this and cut and paste it for you ...

- How to remove angel eye bulbs (1) (2) (3) how to retrofit halogen angeleye bulb to LEDs (1) (2) (3) (4) how to modify pre-facelift headlights to angel eyes (1) (2) (3) (4) & which stock angel-eye bulbs to buy (1) (2) (3)

EDIT:
Without a $20 DMM, you're wasting OUR time ... and yours. So, I'll put the OP on iggy until a DMM shows up at his doorstep...

See also:
- Common tools needed for the E39 & an obdii DTC scanner & an SRS reset tool & accurate measurement tools & specialty cooling system tools
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Please read the suggested threads, where the best always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need

Last edited by bluebee; 01-26-2014 at 11:39 PM.
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