[s-cars] headlight problems

[Fred Munro]

Forrest;

The headlight switch is notoriously weak on Audis, including the UrS cars.
If you install bulbs that draw more power than OEM, you'll eventually burn
out the switch. The solution is to relay the headlights. The headlight
switch powers the relay coils (very low power draw) and the relay powers the
headlights. I fed my relays power from the alternator post; some listers
have used the battery jumper post.
You can buy pre-made wiring harnesses and relays that plug & play in your
car to relay the headlights - they are often sold where Euro headlights are
sold. I think Blau may sell the relay harness - I'm sure other listers can
tell you where to buy them. If you know a bit about electricity & wiring,
you can build your own - that's what I did.

HTH

Fred Munro
'94 S4


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of forrest bradshaw
Sent: June 19, 2004 2:09 PM
To: s-car-list at audifans.com
Subject: [s-cars] headlight problems



headlights do not always work, have to flip switch multiple times for them
to come on, parking/tail lights work fine.  headlights completly stopped
working 8 months ago, replaced headlight stalk, they worked fine till now.

why am I burning out my headlight switch again, I have Piaa super white
bulbs in high/low.

has anyone had this problem before.

has anyone connected seperate relays for the headlights, could you tell me
how?

I see this happens alot on the A4s, but finding little info in the UR-S
community

thanks, can give more info if this is too little

Forrest


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