Thread: V70: Electrical - Replace headlights for MK3 Bi- XENON LED
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Old Sep 26th, 2017, 06:06   #8
tt82
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Quote:
Originally Posted by Tatsfield View Post
That's a little disappointing. I'd assumed that you could just unplug a halogen bulb and replace it with an LED of the same socket type. What is the car doing with the main beam Halogens that it would know if they became LEDs? Is there some monitoring of the bulb circuit that would detect a change in the power consumption or resistance?
I was referring to upgrading Halogens to factory Xenon's. LED's should be ok, though you might need a resistor fitting to stop a bulb out warning.
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