Sunday, March 8, 2009
LED Bulbs
Securing LED Bulbs Inside Angel Eye Rings
To secure the LED bulbs into the Angel Eye rings, we drilled a hole in both ends of the ring, about 6mm wide and 5mm deep. We used 2 white LED bulbs and parallely paired them together. After soldering foot-long wires to the positive and negative legs of the LED bulbs, we wrapped black electrical tape around the legs to keep them apart. We will attach the resistor to the end of the wire later when we connect the wire to our parking light.
Next, we inserted the bulbs inside the holes of the ring, and wrapped black electric tape around it to hide the LED bulbs. This will also hold the bulbs and the two ends of the rod in place. DO NOT paint the rod black. For some reason, the black paint will absorb the light and will make your angel ring look dim. If you plan to wrap the black tape around the uncut/unused part of the ring, make sure you wrap some aluminum foil around them first before wrapping the black tape. The aluminum foil will reflect the escaping light back into the ring, making the ring brighter.
Angel Ring with 5mm hole
LED bulbs inside ring
Use black electrical tape to secure and hide the bulbs
Taking Apart Our Projector Headlight
Next, it was time for us to put them into our HID projector headlight unit. First, we had to open appart the headlight unit. This is done by heating it in a cooking oven (or with heat gun) for about 10-15 minutes at 275 degree fahrenheit or until the glue loosens. It may be a longer or shorter time to soften the glue with different headlamp units. Remove any attachments, like your bulb or wire harness, that may not be able to withstand the heat. Be very careful when separting the units because the glue will stick to anything it can get a hold of. Think of hot melted cheese on a slice of pizza when you pull it apart. Use a butter knife or a flat-head screwdriver to pry the headlight apart. Once you've pried it open, you can use your hands to do the rest of the job.
Here's our recommendation: As you pull apart the front cover from the headlight unit, separate/trim the cheesy web-like glue using your hand. Don't worry, the glue is not that hot, but the headlight unit is. Remember, pull a little and then trim a little, and repeat this step. Take your time and do it SLOWLY. You have about 20 ~ 30 minutes before the glue hardens. Plenty of time. As you trim, the glue will retract, and you can reuse the glue later when re-attaching the headlight back together. We have done this process about 4 or more times already with the same headlight, and the glue is still good and we have had no problems with rain fogging up the headlight.
Cheesy-like glue
Components of our projector headlight with angel eyes glue to black frame
Our aftermarketing headlight was divided into 3 components, a reflective housing, an internal black frame, and a clear front cover. We glued our angel rings to the black frame, using clear silocon adhesive or krazy/super glue. We applied only a very small amount of glue to the un-scratch/un-cut part of the ring. The inner black frame acts as a barrier and helps protect our angel eyes from the heat coming from the reflective housing.
Putting the Headlight Back Together
Next, it was time for us to re-attach the front cover back onto the headlight unit, using the same glue. Just reheat them in the oven until the glue softens again. Very Important, we only had to heat the reflective housing and the front cover. You dont need to re-heat the black internal frame. Doing so may deform your angel rings. Actually, the rings didnt get deformed when we first did it. The silocon glue helps maintain the ring in its shape.
Once the glue has softened again, we took out the reflective housing and the clear front cover. We put the black frame with the angel rings back onto the reflective housing. Then we ran the wire from the angel ring through the water drainage opening in the housing. Now, we put the clear front cover back onto the headlight housing. Remember to apply pressure to get an air-tight hold. We used clamps to make a tight seal. You can also use a wide-mouth plier for this procedure.
High beam housing with Angel Eye
High beam housing with Angel Eye
Angel Eye originally with halogen light
Use clamps or pliers for a tight seal
Finally, we put the headlight unit back into our car. With a 220ohm resistor attached to the positive terminal of the LED wire, we made a parallel connection to our parking lights. You can connect it to anything, an external light switch, low-beam, high-beam, running light, etc. This is really neat! Our alarm system was also connected to the parking lights. Everytime the car is armed, the rings blink once. Twice when we disarm, and continuous blinking when in panic mode.
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