View Single Post
Old 11-04-2015, 05:37 AM   #11
Reeyal
My dinner reheated before my turbo spooled
 
Reeyal's Avatar
 
Join Date: Dec 2003
Location: Peace River, AB
Posts: 1,778
Thanked 158 Times in 103 Posts
Failed 41 Times in 14 Posts
Quote:
Originally Posted by dn53 View Post
[...]
We had the lights flicker on and off, My thoughts are that the low output on the bulbs confuses the system and attempts to turn on/off the bulbs.
[...]
Quote:
Originally Posted by TOPEC View Post
u need a capacitor to stop this from happening, or some other source with a constant 12V when the lowbeams r turned on. reason being is that particular headlight is designed to send 12V pulses instead of a constant 12V. so the light bulbs will see 12V 0V 12V 0V 12V 0V and so on. halogen bulbs dont flick because they are not sensitive enough. notice how when u cut power off to a halogen bulb it slowly dims away, thats the reason it doesnt flicker. if u just add a relay to the lowbeam circuit the relay will continuously click on and off when its energized, that is y u need to add a capacitor to store power so the lights sees a constant 12V.
As TOPEC said, this system is due to the low beams being used as DRL. The continuous on and off pulses are to create a less than 100% light output on halogen bulbs. When LEDs or HIDs are used, they need a constant power source.
__________________
Quote:
Unknown
"If someone has to pass you on the right, you are in the wrong lane."
Reeyal is offline   Reply With Quote