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Hi All,
Does anyone know the correct voltage for the angel eye bulb? I'm trying to work on something and put a few LED's in place of the single angel eye bulb. I have these 3.3/3.6v LED bulbs Specs: FW current: 25ma FW Supply: 3.3v (Typical), 3.6v (max) LED from radio shack, Part# 276-0017. I would like to have two of these connected to the angel eye portion. Now what resistor would I need in order for the bulbs to work and the car would not give an error message? Please help! Thanks in advance! |
You have a multimeter or voltmeter?
Originally Posted by nigxdoof' post='767181' date='Jan 13 2009, 05:24 PM
Hi All,
Does anyone know the correct voltage for the angel eye bulb? I'm trying to work on something and put a few LED's in place of the single angel eye bulb. I have these 3.3/3.6v LED bulbs Specs: FW current: 25ma FW Supply: 3.3v (Typical), 3.6v (max) LED from radio shack, Part# 276-0017. I would like to have two of these connected to the angel eye portion. Now what resistor would I need in order for the bulbs to work and the car would not give an error message? Please help! Thanks in advance! |
Originally Posted by myfootsmells' post='767185' date='Jan 13 2009, 08:26 PM
You have a multimeter or voltmeter?
If I have that and measure the voltage with the volt meter, can i use it to calculate what resistor I need? |
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theoretically yes. Resistance (Ohms) = Voltage (v) / Current (I)
Originally Posted by nigxdoof' post='767193' date='Jan 13 2009, 05:32 PM
Nope.
If I have that and measure the voltage with the volt meter, can i use it to calculate what resistor I need? |
Time to go back to radio shack.. :D
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mike. how r u trying to wire it? man, it;s too much work....
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Originally Posted by brabusw209amg' post='767651' date='Jan 14 2009, 10:16 AM
mike. how r u trying to wire it? man, it;s too much work....
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Originally Posted by myfootsmells' post='767200' date='Jan 13 2009, 08:41 PM
theoretically yes. Resistance (Ohms) = Voltage (v) / Current (I)
You need to measure the current in the OEM angel eye (place your meter in series) to then calculate the size of the resistor using the equation above. Once you have the resistor size to match OEM and if you have a few resistors of various sizes you could swap them out until you get the smallest current draw (highest value resistor) before the iDrive error. Since the iDrive strobes the bulbs when they are not switched on I was playing around with a capacitor in the circuit to fool the iDrive into believing there was a load there. If I ever get the time I will get to test it in the car. |
Originally Posted by Brit_in_NJ' post='767732' date='Jan 14 2009, 11:41 AM
Virtually everything is going to be just over 12V (probably about 14 I'd guess)
You need to measure the current in the OEM angel eye (place your meter in series) to then calculate the size of the resistor using the equation above. Once you have the resistor size to match OEM and if you have a few resistors of various sizes you could swap them out until you get the smallest current draw (highest value resistor) before the iDrive error. Since the iDrive strobes the bulbs when they are not switched on I was playing around with a capacitor in the circuit to fool the iDrive into believing there was a load there. If I ever get the time I will get to test it in the car. Cool. Good info Rich, Thanks. |
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