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Old 07-10-2012, 04:14 PM   #1
Alex2003
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Ground Wire Issue(please read before saying find a diy)

I have a 2003 330ci convertible.

The Ground wire on the driver's(left) side for my tail light melted through the sleeve. It became intermittent and I attempted to fix it. Long story short, after the lights stopped working I felt very uncomfortable with the live wire out and just ripped the ground wire out of the socket. I feel like I shouldn't have because their were still probably other ways to fix it while it was still attached(diy threads).

As of now, the ground wire is hanging on its own and the rear left taillight doesn't work. I went to go to bmw to buy a new harness and split the wires but they're telling me the harness is actually part of the car harness and not one on its own resulting in a price of a couple thousand dollars which I do not intend on spending. Originally I planned on using the recall but found out it was four doors only. If anybody here has dealt with this on convertibles or coupes(assuming wiring is the same), I'd appreciate any advice very much.
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Old 07-10-2012, 04:17 PM   #2
Mango
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Buy a new similar terminal (since you cut it off) shrink wrap it with heat shrink, plug it in and do the ground fix. Ground fix involves 4 inches of 16-18awg wire, wire tap, and female spade connector that plugs into one of the metal tabs as shown on the right in your picture. You tap the ground wire after its plugged in and simply plug it into the thin metal ground tab on the back of the tail light bulb holder.
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Old 07-10-2012, 04:35 PM   #3
Alex2003
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Quote:
Originally Posted by E46Mango View Post
Buy a new similar terminal (since you cut it off) shrink wrap it with heat shrink, plug it in and do the ground fix. Ground fix involves 4 inches of 16-18awg wire, wire tap, and female spade connector that plugs into one of the metal tabs as shown on the right in your picture. You tap the ground wire after its plugged in and simply plug it into the thin metal ground tab on the back of the tail light bulb holder.
I have a cousin who is good with wiring so I will ask him to fix this for me.

So the items I need are -
1. similar terminal(exactly what is this?)
2. 4 inches of 16-18awg wire
3. wire tap
4. female spade connector(how do I know which connector is correct? Is it more of an eyeball thing?)

And then I'll let him read your post because, from what I can tell, You've just given me the directions .

Does this all sound right to do?
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Old 07-10-2012, 04:39 PM   #4
Mango
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Pretty much. Just eyeball and match the other connectors you have. I dont know the name or the size. I'm not an electrician. The connector is just a flat little connector which plugs onto a tab. if you google E46 tail light ground fix you might see a picture of what I am talking about.



This plugs onto one of the metal ground tabs as in your picture (those metal lines) the other end of the wire is tapped onto the ground wire of the tail light harness (brown wire) very simple fix.

Since you cut the original ground wire, you might need to extend it some. maybe an inch.
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Old 07-10-2012, 04:46 PM   #5
Alex2003
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Sounds good. Thank you very much
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