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Old 09-16-2010, 09:28 AM   #1
Layvon
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Location: Cadillac MI
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Default Brake light voltage

This question is probably pretty trivial, because I'm fairly certain that it is just 12 volts... but any way here it goes.

As some of you know, I totaled my WRX about a year ago, and I was going through my old house the other day and I found my WRX wing that I took off when I got the STi spoiler.

As a fun little project (I'm an Electrical Eng aka nerd) I want to make a power supply to go from 120 AC to whatever DC is needed for the spoiler to make a little glow lamp illumination for in the house...


Cliff Notes: What is the voltage needed at the brake lights in the spoiler, I cannot find a wiring diagram.

Thanks
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Old 09-16-2010, 10:03 AM   #2
Big-E
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Default

The nominal voltage is around 12v DC.

Since however the CHMSL is an LED, it should have an operating range of 9v DC to 14v DC.

Just for the heck of it, get an ordinary 9v battery and hook it up to the lamp. It should illuminate.

Here is an example of me using a 9v DC battery to illuminate an LED bulb in one of my tail lamps:
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Old 09-16-2010, 05:36 PM   #3
Layvon
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Default

Thanks a lot! Appreciate it, I'm going to take the spoiler into my professor tomorrow and we're going to construct a Full bridge rectifier for it, converting AC to DC,

Should be fun. Glad I'm paying roughly $75k to turn my spoiler into a lamp
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