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just measure the voltage across 1 led that should be enough, is that off of a car battery or on the car running?


cos if its only on a car battery then the 30ohm circuit is running at 73mA, only twich the max so will last a while but the real test is while the car is running (normal situation) there it will be running at 153mA alot more than the max and will not last long.


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