resistors for my leds

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alexv96hrdbody

Member - Posts: 5

Joined: November 21, 2005

Location: United States

Posted: November 21, 2005 at 2:56 AM / IP Logged

i purchased a 49 in led line of fire. its a 3 function led and i am trying to turn it into a 4 function. meaning, i have both turn signals, and parking lights and stop light but at night when i have the parking lights on they = the same amount of power as the brake lights, resulting - i have no brake light function when the parking lights are on. so i have to lower the voltage from my parking lights. which kind of resistor sould i use.

thanks, av

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kirktcashalini

Silver - Posts: 492

Joined: November 13, 2005

Location: United States

Posted: November 21, 2005 at 2:16 PM / IP Logged

Ned to know the rating for the LEDs, what the voltage drop is, how there wired, and how many mAh each... then, when you know it, calculate that ish resistors for my leds -- posted image.

99 Blazer LT. Yellow Top. Big 3. Infinity Kappa Speakers All Around. Jensen CD/DVD flip out. 2 Infinity Kappa Perfect 12DVQs powered by a Alpine PDX600.1 (in one custom box, building a FG box)

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boyzWidToys

Member - Posts: 26

Joined: October 16, 2004

Location: Canada

Posted: November 27, 2005 at 9:56 AM / IP Logged

led's are generally 20 ma

Voltages depend on the color.

white is about 3.4v

and.. leds... don't really have a defined resisitance. they are a constant current device.

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resistors for my leds

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