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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 12-09-2014, 10:46 PM   #1
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My Ride: BMW e46 325i 2003

So I just recently got an LED blue halo light for my BMW trunk emblem and I'm trying to hook it up to my license plate light but don't know how to get into the wiring for my license plate light..if anyone knows please help..to which wires are ground wires and which are the license plate ones.. I got a 2003 e46 325i if that would help..thank you
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Old 12-09-2014, 10:49 PM   #2
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BRN wires are ground through out the car. Other wires can be a switched ground, but BRN wires are bolted to the body somewhere to provide a ground to whatever load is connected.

On the license plate lights, the other wire (not BRN) is the power.
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Old 12-10-2014, 06:17 AM   #3
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The trunk lip is held by 4 torx screws (t25,30) one of those two I think. That will give you access to the wiring.
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help please

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