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I have projector headlights with H1 bulbs. One night i was driving with my system booming and my right lowbeam went out and then my left highbeam went out. I got new bulbs from a great place that has a lifetime warrenty on them. The other day i was in the same conditions, driving with my system booming and my right low beam went out and then eventually my left lowbeam went out. Im getting them replaced under warrenty. Why is this problem happening. My ligts do dim when my subs hit, do you think its the constant action of the voltage going up and down to the bulbs that is caussing this? Do you think if i replace my stock Battery with an Optima RedTop the problem will be solved? any input?! thanks

 
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hey, VIBRATION!!!!

 
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or you put too high wattage bulbs in.

stock is 55/60W. others will blow or fry your wires in the long (or short) run

 
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yes, just use regular output bulbs

 
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im using 65 watt bulbs all around, is that such a diffrence?