Light Research

[quk@sievers.com (Phil Payne)]

In message <199701242207.RAA24897@coimbra.ans.net> "Sheffield Corey" writes:

> 	I'm no electrical engineer, but doesn't routing via the battery
> "filter" out any AC ripple that may be coming from the alternator and
> shortening bulb life? Just a question...and a thought.

Yes, and it's an interesting thought.
 
One problem I have with the 170/100s is _VERY_ short bulb life.  Ten bulbs in 
fourteen months.  It's a royal PITA with the ur-quattro, since the only way to 
replace the right-hand bulb is to take the headlight unit out of the car.
 
It's 100w element that goes - which leads me to suspect (but _only_ suspect) 
that 130/100s would show the same phenomenon.
 
I do drive with the lights on most of the time, though.  1,000 miles per bulb?

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club