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#14190 - 01/26/05 02:26 PM how to fabricate LED fender turn signals (pics)
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
okay, as promised in a thread about fender turn signal bulbs a few days ago, here is what i did to fabricate a custom LED bulb setup.

first of all, let me say that what i do here has nothing to do with stock appearance or whatever. my bulbs were shot, my signal housings' chrome was shot, and i did not want to pay 75 or so bucks for a set of bulbs.

second, i have to say that i'm neither a professional mechanic nor a professional electrician, so the results are not very beautiful, but they work.

third: english is not my native language, but i'll try as good as i can

and last but not least: i'm no professional photografer either. i apologize for the poor quality of the pics.

anyway, here is what you need:

- your old turn signal housing, painted, or chromed
- an old or broken turn signal from another car, to cut out the lens (note that i cut it out in the exact shape of the inside of the housing)
- 2 wires
- LED's
- a resistor
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#14191 - 01/26/05 02:27 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
well, here's the pic:


Attachments
1447530-anfang.jpg (219 downloads)

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#14192 - 01/26/05 02:30 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
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Registered: 05/22/03
Posts: 1603
Loc: germany
in my first try, i used a smaller, yellow LED. but i was not happy with the results and went with a bigger, white LED. allthough they are much more expensive (2,5$ instead of 0,5$ for the yellow one) they are much brighter and have a wider "beam"


Attachments
1447538-vergleich-LED.jpg (174 downloads)

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#14193 - 01/26/05 02:33 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
the next thing to do is glueing in the small yellow turn signal lens into the housing. i used a little bit of 5 minute epoxi, just to seal the gaps. don't use to much because otherwise you will see the glue on the inside of the lens. the picture (poor quality) shows the housing standing on the side that faces the driver. sorry again


Attachments
1447549-blinker-eingeklebt.jpg (175 downloads)

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#14194 - 01/26/05 02:37 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
then it's soldering time. first i soldered the wire that will be the ground later to the negative (short wire of the LED)


Attachments
1447556-drahtmodell_1.jpg (144 downloads)

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#14195 - 01/26/05 02:41 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
then, i soldered the resistor to the positive wire of the LED, and soldered another wire (positive) on the other side of the resistor. i took me quite some time to figure out a wire layout. there is only limited space inside the houding, and the wires mustn't touch each other. i came up with some kind of "loop", i hope you can see it on the picture. almost forgot: it is crucial that the LED points towards the lens. otherwise you will not have a bright signal. and, also very important: you have to test the setup now. if it does not work, fix it before you glue everything in.


Attachments
1447567-drahtmodell.jpg (141 downloads)

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#14196 - 01/26/05 02:45 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
than i glued in the whole shebang, but again, only with a little 5 minute epoxi. i just wanted to have the setup fixed, so that i can fill the housing with real epoxi later without having the LED and the wire tumbling around in the glue. i used a drop of 5 min in the back of the housing, where the screw goes in, so that the glues doesn't touch the lens.


Attachments
1447581-eingeklebt-hinten.jpg (163 downloads)

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#14197 - 01/26/05 02:50 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
The_Mean_Machine Offline


Registered: 01/19/03
Posts: 2323
Loc: Löffingen, Germany
Hey Michail, thats cool! Can you do tail lights as well?
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#14198 - 01/26/05 02:50 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
okay, the last move. i filled the housing with 24 hour epoxi. it is not so prone to keep bubbles inside like the 5 min epoxi, and has a more neutral color. now it''s time to wait, i'll show you a pic with a shining turn signal in a few ours!


Attachments
1447589-ausgegossen.jpg (151 downloads)

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#14199 - 01/26/05 02:55 PM Re: how to fabricate LED fender turn signals (pics [Re: The_Mean_Machine]
440sat72 Offline
top fuel

Registered: 05/22/03
Posts: 1603
Loc: germany
i'm thinking about it. my taillights are rotten away, too!
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#14200 - 01/26/05 07:01 PM Re: how to fabricate LED fender turn signals (pics [Re: 440sat72]
RODHALL Offline
master

Registered: 01/19/03
Posts: 2923
Loc: Waynesboro PA 17268
That is a good job you did on that lens

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#14201 - 01/27/05 08:01 AM Re: how to fabricate LED fender turn signals (pics [Re: RODHALL]
Snailpower Offline


Registered: 09/11/04
Posts: 1913
Loc: Brunswick, Jawgia
Great job! I have been thinking about trying to setup tailights with LEDs similar to the new Cadillacs, where the entire tailight is LEDs. I don't think my electrical knowledge will let me do it though...
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