How can I wire up 2 front fogs with only one lead? - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 09-27-2005, 04:23 AM
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How can I wire up 2 front fogs with only one lead?

One of my front fog light cables has been ripped out so only one of the fogs are connected up and working.

Is there any way I can somehow split the cable and wire up the other one?

Also another wire seems to have been ripped out from under my car (don't ask!) as there is nothing connected to my radiator. There is a little 2 pin socket on the bottom corner with nothing attached, although the temp gauge on my dash seems to be working fine.

There is lead in my engine bay with a black connector on the end and green / yellow cabling which isn't connected to anything, which i thought would be the radiator one, but it's about a 12 inches too short to reach the plug. It doesn't seem to be the other fog light one tho as when connected up, its the wrong type of connector and the fog light doesn't come on.

Can anyone please help???
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#2 (permalink) Old 09-27-2005, 10:16 PM
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T-tap the wire running to your other fog lights + wire and run it to the positive lead on the other fog... then run a wire from the - lead on the fog to a ground point on the chassis somewhere.

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#3 (permalink) Old 09-27-2005, 10:23 PM
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your best bet is to splice from the foglight that works...

or follow the wires back.. and re-wire it

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#4 (permalink) Old 09-28-2005, 12:35 AM
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Quote:
Originally Posted by Cruzin 323is
your best bet is to splice from the foglight that works...

or follow the wires back.. and re-wire it
thats what I just said. <_<

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#5 (permalink) Old 09-28-2005, 08:00 AM
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thanks peeps, how do i know which wire is the positive?

also do you know anything about the radiator / other lead problem?

thanks again!
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#6 (permalink) Old 09-29-2005, 04:38 AM
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Try what these guys suggested, but if you blow a fuse, then you may need a relay. BMW's are wired using seperate harnesses for left and right side of the vehicle, but I don't know if that applies to the fog lamps as well. If it does, you may end up overloading the circuit on the good side by splicing into it. If that's the case, holler back and I or someone else here will instruct on how to wire up the relay.

To find the (+) wire, you'll need a circuit tester between each wire and the car's metal chassis. Whichever lights up or shows current is your baby.

Don't know about the other wire by your radiator, sorry.

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#7 (permalink) Old 09-29-2005, 07:27 AM
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thanks man, i'm gonna hook up a simple wire tester with a bulb tonight i think.

i just checked realoem for that radiator lead and there's nothing on it.

Can anyone please tell me where the lead goes to on their e36, and what colour the wires are?
it's plugged into the bottom right hand side of the radiator.

many thanks to all that helped, esp dudesky who's gotta be the most helpful member on this site!
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#8 (permalink) Old 09-29-2005, 11:26 AM
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yeah it is just a random wire left there by bmw, mine has the same thing, it has a connector on the end, with two wires right, sits on the left side when u look into the engine bay, From what I concluded(by looking at the bently wiring diagrams) it was wire for the m52 engine, or for some light, as the connector is the same as the fog lights. O well the bmw technicans at my work say that it is supposed to be there so u are fine, aslong as u arnt getting any fault codes



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#9 (permalink) Old 09-30-2005, 09:14 PM
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Alarm siren plug ?

You're not talking about the wiring plug for the alarm siren are you? It hangs out by the right front headlight. A female plug, unused unless you have a siren up there.













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#10 (permalink) Old 10-03-2005, 06:47 AM
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thanks peeps.

do you know if the wiring is green?
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