Ford Mustang Forum - View Single Post - Flash to pass HIDs
View Single Post
post #15 of (permalink) Old 12-01-2012 Thread Starter
GT Member
Elite_Deforce's Avatar
Joined: Dec 2010
Location: Montreal
Posts: 2,492
Originally Posted by hawkeye18 View Post

There is a shutter assembly controlled by a solenoid. The shutter comes in from the bottom part of the assembly to cut the top of the beam off. Trust me, it works that way.

When you flash the highs, the shutter is mechanically retracted by the solenoid to allow full beam projection.

The reason you see Hondas with wobbly lights is that in the olden days headlamp assemblies were mounted on bodies with plastic, which degrades, snaps, bends, etc. A lot of older cars do that.

The reason they flash is that the ballast is just giving the bulb the initial high-voltage zap (the arc). As you aren't really feeding that much current through the bulb that way, you aren't appreciably shortening its lifespan.
Yeah, this is what I thought. Isn't that what we were saying??
Originally Posted by glock22357 View Post
Flash-to-pass, as a driving technique, has been the standard forever. In Michigan, understanding how to flash-to-pass, from both sides of the situation, is part of getting your driver's license....and I would assume it is standard in most other states too, just not covered very well by instructors.

Flash-to-pass, as vehicular equipment, has been standard since at least the 1940s, in various forms.

I'm very saddened that some drivers don't seem to be knowledgable on this topic.
This ^^^ It's common knowledge where i come from too.
Originally Posted by tc151 View Post
The highest wear occurs when the HID lamp strikes an arc while still hot. Flashing to pass shouldn't put that much heat in the lamp so it shouldn't affect the life.
Hmm now I'm confused... who holds the correct answer?

-2012 Grabber Blue GT 6M Premium w/ Brembos, Glass Roof, HID security pkg, Rear Camera, 401a, FRPP GT500 Axle-backs, Front Pioneer TS-D6802R speakers, JHR bracket, Bondra clutch extension.
-1986 Mazda RX-7 GX - Fast Mirage 16" Wheels, Sumo Firenza 205/60R Tires, slotted brakes + performance pads. Otherwise factory stock.
-2008 Mazda Mazda3 GT Sport - Stock, 5MT.
-2004 Volvo XC90 T5 - Comfort pkg, safety pkg.
-1995 Infiniti G20 - Sold, Pioneer head unit, lighting mods, miss it dearly.
Elite_Deforce is offline  
For the best viewing experience please update your browser to Google Chrome