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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 12-02-2004, 08:54 PM   #1
Moeser09
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DIY Wiring Harness for CCFL angel eyes kits

Ok - these are the DIY instructions on how to build a wiring harness using a relay (with key remote option) if youre CCFL Angel Eyes kit didn't come with a wiring harness (usually the ebay kits - they only come with 4 CCFLs and two inverter boxes and instructions saying to wire to the parking lights). Credit given to everyone who pioneered these mods in the first place.

You will need these things (prices for what I paid - your cost may vary - especially if you have to buy packs of things like fuses):

PARTS:
One (1) 40 Amp 12 Volt SPDT relay with socket ($7.04)
Five (5) Female spade connectors to go into the sockets ($0.81)
Two (2) T-taps ($1.26)
Four (4) pairs of male/female bullet splice connectors ($0.77)
One (1) butt connector ($0.12)
Two (2) watertight fuse holders ($4.31)
Two (2) 5 Amp fuses ($0.60)
Two (2) Ring connectors ($0.30)
Lots of Wire - I used 4 colors (black, red, blue and green) and used about $6 worth of wire. You can use either 16 or 18 guage, but make sure you get the right connectors for the guage. On the T-taps, you might have to fold the wire over to make it bulky enough to get a good crimp. About $7 dollars worth of wire

Roughly about $22.25 in parts (you'll actually pay a little more if you have to buy certain things in bulk - i.e. most the connectors). I think I spent a little over $27 today for parts I didn't have (I had some wire, butt connectors and the fuses - so the cost if you had to buy everything would be about $35).

Braided fabric high temperature wire wrapping/sleeving (I didn't have any, but it's useful to hold the wires together. I'm not sure on the cost - I found a place online that was $0.25/foot but you had to buy some pretty big quantities. You might be able to find them at computer shops too.

TOOLS:
Crimping tool/plier/snips
Electrical tape (optional if you want to clean up the wiring)

TIME: Approximately 1.5 hours if you work fairly carefully.
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Last edited by Moeser09; 12-02-2004 at 09:07 PM.
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Old 12-02-2004, 08:56 PM   #2
Moeser09
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STEP ONE
Cut the wire into the following lengths:

One green wire of approximately 50 inches (for ECU trigger wire - it has to reach from the passenger side through the wire holder above the engine and to the ECU box).

One blue wire of approximately 6 feet (for the interior light tap - length depends on how far you have to run the wire).

One black wire of approximately 1 foot (for the ground)

One black wire and one red wire of approximately 3 feet (for the passenger side inverter box)

One black wire and one red wire of approximately 6 to 6.5 feet (for driver side inverter box)

STEP TWO

Crimp one of the ring connectors (for the positive battery terminal) on one end of one of the fuse holders and crimp one of the female spade connectors on the other end of the fuse holder.

STEP THREE

Crimp the ends of the two red wires together into one female spade connector.

Crimp the ends of the three black wires together into one female spade connector.

STEP FOUR

Crimp a ring connector on the end of the shortest (1 foot long) black wire - this is for the ground connection.


Pictures are in order from steps 2-4
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Old 12-02-2004, 08:58 PM   #3
Moeser09
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STEP FIVE

Put together the remote wire - see my thread for that (I'm too lazy to duplicate it).

STEP SIX

Plug all the female connectors into the socket until the snap into place - you should hear a click if you have it facing the right way. The bottom of the realy should have numbers next to the pins (30, 85, 86, 87 and 87a). You should arrange it so that you can determine which pin goes into which hole on the relay socket IT IS VERY IMPORTANT THAT YOU PUT THE RIGHT SPADES IN THE RIGHT PLACE ON THE RELAY SOCKET.

Put the positive terminal fuse holder into socket 87.

Put the negative spades (black wires) into socket 86

Put the green trigger wire into socket 85

Put the remote trigger fuse holder into socket 87a

Put the positive spades (red wires) into socket 30.

I put a zip tie at the base of the relay socket around the wires to hold them together.
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Old 12-02-2004, 08:59 PM   #4
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STEP SEVEN

Time to group the wires.

First - I taped up the shorter red/black wires together.

Second - I taped the longer red/black wires and the green trigger wire together for the first 2/3s of the length from the relay socket. You'll want to leave the green trigger wire loose after that so it can run to the ECU box. Tape the red/black wires together after that point so they can continue together to the driver side inverter.

[This where the braided wire wraps would be very useful - don't use the plastic stuff b/c it's too think to run along the car - especially through the wire holder above the engine].
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Old 12-02-2004, 09:00 PM   #5
Moeser09
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STEP EIGHT

When you go to install the the wiring harness and connect it to the angel eyes - crimp on bullet connectors at the end fo the harness and on the inverter box too. I reversed the male/female for the pos/neg to make sure that I didn't hook the wires to the wrong wire on the inverter.

Also - I left the T-taps loose for the trigger connections until I was ready to tap them. Crimp the T's when you're ready to actually connect them. If you do that you'll have an easier time running the wire(especially with the interior trigger wire b/c you have to push it through the firewall).
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Old 12-02-2004, 09:00 PM   #6
Moeser09
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STEP NINE

Snap in the relay when you get finished install the harness and hooking them up to the angel eyes. Once you do that - you're done.

Use these links for the DIYS:

Jake's DIY

ECU Trigger Wire

Removing headlights

Remote Kit install

Remote if you don't have footwell lighting
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Last edited by Moeser09; 12-02-2004 at 09:02 PM.
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Old 02-23-2006, 10:45 PM   #7
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Wow. Someone brought this thread back from the dead. I wonder if Moeser and Vietkid are still around. Mine are still connected to my fog lights and I am now in Kuwait missed my Bimmer. Sigh......
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Old 03-06-2006, 11:31 PM   #8
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Checking in sporadically.

I got my relay from a local auto part store. It might need to be special ordered depending on what your store carries.

Hope that helps.
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Old 03-07-2006, 09:20 PM   #9
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Ya know I was just thinking...I never did buy that harness from you like I said I would, Moeser. Just call me "schmuckately". Are yours still working? I have one that is intermittent, but otherwise all is good.
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Old 03-10-2006, 01:33 PM   #10
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I don't understand. Why would you spend $35(roughly) as you say and all that hassle when you can buy a wiring harness brand new for $20?
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Old 03-10-2006, 01:42 PM   #11
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Quote:
Originally Posted by jotti
I don't understand. Why would you spend $35(roughly) as you say and all that hassle when you can buy a wiring harness brand new for $20?

Read when the thread was started it was in 2004. When CCFLs first came out alot of them didn have any wiring harness. Uminitza and Jlevis did, but you could not buy them seperately at the time. So people had to make their own.

It comes out to less then $35 I put mine toget back then for about $20.
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Old 03-10-2006, 01:49 PM   #12
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Quote:
Originally Posted by Staszek
Read when the thread was started it was in 2004. When CCFLs first came out alot of them didn have any wiring harness. Uminitza and Jlevis did, but you could not buy them seperately at the time. So people had to make their own.

It comes out to less then $35 I put mine toget back then for about $20.
OIC. Cool. Yeah I guess back then it was pretty sweet

Was just mentioning you can get a wiring harness for $20 as a heads up. Here's a pic.

Bimmian has em
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Old 03-10-2006, 03:59 PM   #13
Moeser09
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No probs DionikesX. Mine still look great and I get comments about them all the time. Wasn't looking to make any cash on this stuff (although it looks like someone has figured out that people are willing to buy it instead of make it).

jotti - way back then the wiring harnesses was this jealously guarded secret (even though it's really no magic) so the write up was basically a knowledge dump (not mine though - lots of other people came up with ideas and all I did was write it up). Good to know that someone is making a harness now though!!
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Old 03-11-2006, 07:14 AM   #14
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hey guys,

i tried to make my harness, but ran into a problem. when i connect 87a to the footwell light, the interior lights come on and dde's do not light up. even if i press the switch on the dome light, they won't turn off. however the angel eyes will light up when the key is in acc. i followed everything in the writeup
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Old 04-23-2006, 11:38 PM   #15
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Quote:
Originally Posted by jotti
OIC. Cool. Yeah I guess back then it was pretty sweet

Was just mentioning you can get a wiring harness for $20 as a heads up. Here's a pic.

Bimmian has em
Jotti,

Can you please let me know where I can get a wiring harness for my angel eyes. I'm new to the forum and having problems trying to hook up my lights. Just seems easier to buy the harness that you mentioned on your response.

Thanks,
Scott
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Old 10-02-2007, 09:27 AM   #16
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CCFL Angel Eyes

Hey! I got mine on E-Bay for $25.00 incl. S&H!! They looked great when I tested them. However, they didn't come with clear instructions as to how to hook them up. I have them installed(no problem), I just need to figure out the electrical connection. The Instructions say to connect them to the DRL's, but don't give any detailed description. Can I just splice them into the DRL wires directly??
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Old 10-25-2007, 07:09 AM   #17
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I have a quick question, hopefully someone will see it within the next few days while i wait for my angels from ebay. Why do i need this relay? cant i just wire two wires, one to the footwell for remote on, and one for the ecu to have constant on? why do i need a relay? they are ccfl by the way
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Old 10-25-2007, 07:49 AM   #18
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Originally Posted by gaby1088 View Post
I have a quick question, hopefully someone will see it within the next few days while i wait for my angels from ebay. Why do i need this relay? cant i just wire two wires, one to the footwell for remote on, and one for the ecu to have constant on? why do i need a relay? they are ccfl by the way
Here's a simple diagram... I just hooked mine up to the ECU.. So, when I turn the key.. it lights up.. I didn't hook it up to the interior light. Coz, I don't want it to come on everytime I open the door or lock and unlock the car. Oh by the way.. mine is also from Ebay.

Here's the cost of not buying or making a harness:

Inline Fuse at radio shack: 2.49
Black and Red Wires from Walmart (16 Gauge): 1.99 a piece
5 amp fuse at Radio Shack: 1.99 for pack of 3
taps from radio shack: .99
Electrical Tape from Walmart: .99
Connectors from radio shack: I think 1.99
Zip ties at walmart: 1.99

So all of that for less than 15 bucks.

Hope that helps. Much simple not too confusing.
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Old 10-25-2007, 07:59 AM   #19
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thanks, so i dont have to make this relay that everyone is talking about?
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Old 10-25-2007, 08:01 AM   #20
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o also, did you buy projector ones or non projector, i bought the non projectors by mistake i had no idea there was a difference, sicne i saw the pic in the auction and the mounted product look like the lights i have (xenons) but then i read that people were talking about non projector and projector, i dont know if i will have a problem, i really dont feel like paying another $20+ for return shipping
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