Step 9: Final Pictures and Video...

...along with application ideas.

I'm using this circuit for my front turn signals, but you can easily use this for brake lights, side marker lights, and just about any light on the car. Also, this can be used for wiring trailer tail lights. 

(post some pictures of your set-up, if you want)

UPDATE: I recently made a trailer light controller using this circuit. It's a lot easier when you only need to make one trip to Radio Shack...
<IMG SRC="http://i1179.photobucket.com/albums/x388/irab88/CIMG7509.jpg" ALT="Trailer Light Controller">

(disclaimer: I am not responsible for anything you do. I will not pay your ticket if an officer pulls you over for a STREET LEGAL modification. It's your car. I will not pay your medical expenses (if you get shocked by the capacitor or burned with hot glue or...), as I already had to pay for mine. Be safe, be smart.)
Video of the circuit in action:<br><br><br><br>http://www.youtube.com/embed/mDSxSAiZOlE
I'm wondering would this circuit would work for led marker lights or only incandescent bulbs.
<p>You can tell I check this often... HA!<br>It will work with both just the same. Some newer cars may have fancy bulb-detection circuits, so just be on the lookout for that.</p>
Yes, the circuit should work fine for LED bulbs. You may need to also install an electronic flasher (cheap, search for &quot;electronic turn signal flasher&quot; for your car). I plan on adding this effect to my trailer, using the amber bulbs on the side.
Maybe new cars are different and I admit its been a long time since I was a volunteer fireman but we just ran a wire from the turn signal to the side marker lights, or to make the marker flash out of time with the turnsignal we ran a switched flasher fuse to the marker or fog lights. That being said, I enjoyed reading your ible
Here's what I had before this circuit:<br> <br> <a href="http://gickr.com/results4/anim_e018bf91-8d8a-c884-59f9-d0e1e50a4496.gif">http://gickr.com/results4/anim_e018bf91-8d8a-c884-59f9-d0e1e50a4496.gif</a><br>
Thanks. Yeah, that does sound easier. The only issue with the one-wire method are that it would turn all the running lights on with the flasher. That means the instrument panel, rear marker lights, and whatever else comes on. It just wouldn't be noticeable unless it was dark out, but those lights would be on anyway.<br><br>And this actually replaced a circuit that I had in before. It alternated the marker light and turn signal if the marker lights were on. The relays rusted out, so I wanted to do something a bit different.
Thank you for a nice Instructable. I do not know that I will do it on my car, but I enjoyed reading about what you did.
What a cool mod!

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More by ianrab:Neat Turn Signal Effects Circuit 
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