Z-Car

How to add DRL and LED to your Miata NA.

girl fixing a miata

As I have been daily driving my 1994 Miata NA for the last year or so, I have been more cognisant of trying to make the little Miata more visible. We also have a lot of divided highways out this way that require headlights to be on, and the police enforce it. I hate raising the barn doors, and if I just turn on my parking lights, they don’t really do much, and I always forget that I left them on.

So, I decided to get a couple of smoked replacement lights ($50 on Amazon for a pair), and modify them. I opened up the unused half of the light and used a LED for the parking and turn signal, and used the main bay with a H11 LED.  If you follow along, I will show you what you need to do to make this work.  In addition, you can easily wire in a relay to make your parking lights come on whenever the car is running.

First get some of these nice smoked turn signal assemblies.

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Then buy a set of 3157 parking and turn signal bulbs, I like these, and get this pigtail harness.  I also used H11 LED bulbs as the main DRL, I got these, and also the pigtails.  What we are going to do is open up the normally closed section on the parking light assembly.  I used a soldering iron to melt it out.   Once you get a good fit, a glob of silicone sealant will hold them in place and seal the opening from moisture.

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You will now need to wire the lights up.  This will vary by pigtail, lights, and assembly, but in general you will want to wire red to red and black to black.  The blue for the turn signal light will connect with the turn signal light coming from your original parking light wiring.  This is all pretty simple, leave a message if you have any issues.

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As you can see, it worked out pretty well. I wired in a relay that turns them on whenever the the car is in Run, instant DRL. I also wired the side markers to flash with the turn signals.

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