In a message dated 4/2/02 4:56:02 PM Eastern Standard Time,
cfchrist@earthlink.net writes:
> auxillary lighting (fog / driving lamps) must be connected by a relay
> so it only functions on low beam and not high beam.
- - - - - - - - - - - -
Well, I guess we both win. Here is the law (in PA) from section 175.66 of
the PA Code:
"> (l) Auxiliary driving lamps and fog lamps. Auxiliary driving lamps and fog
> lamps may be installed on a passenger vehicle or light truck if the lamps
> comply with the following: (1) Auxiliary driving lamps shall not be
> substituted for headlamps. Auxiliary driving lamps may only be used with
> high headlamp beams. (2) Fog lamps may not be substituted for
> headlamps. (3) Auxiliary driving lamps and fog lamps shall be mounted
> on the front, spaced at least 20 inches apart from center to center and at
> height not more than 42 inches above level surface upon which the vehicle
> stands nor lower than the lowest chassis part. Rear fog lamps, if
> originally installed or offered as optional equipment, are acceptable.
> (4) Auxiliary driving lamps and fog lamps shall be aimed when the vehicle
> and lamp assembly are in the straight ahead position with the beam not
> above horizontal centerline of lamp at 25 feet. (5) A vehicle specified
> under this subchapter may have only one pair of approved auxiliary driving
> lamps and fog lamps."
So DRIVING LAMPS must only work with the HIGH beams. It doesn't specify FOG
lamps in the code.
BTW, you are allowed one pair of driving lamps, one pair of fog lamps, and
four headlamps. That's a lotta light!
Allen Hefner
SCCA Philly Region Rally Steward
'77 Midget
'75 Midget "The Project"
'92 Mitsubishi Expo LRV Sport
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