headlights doing weird stuff

[rjf123]

My headlights starting acting strange last week, and seem to be getting worse with time.

Initially, the right parking light was out. I tried new known good bulbs to no effect. Then, i noticed that with driving lights on, the right parking light would come on, but only dimmly.

A few days later i noticed that with the driving lights on, the right flasher wouldn't flash. (It would work fine with the driving light off!) Then today, the right high beam stopped working properly: it only comes on dimmly, and when the high beams are on, the driving lights come on dimmly (even when they're turned off) and the right flasher again won't work!

All fuses look fine. The right headlamp cluster plug and socket look ok.

I did a search: am i right to conclude that i need a new headlight switch?

Thanks,

Ross

[Loren]

Sure sounds like a bad headlight switch to me.

[rjf123]

Sure sounds like a bad headlight switch to me.

Thanks so much!

Ross

[bosstucker]

while we're on the topic, my 02 C4S with the xenon headlights seems to not illuminate far enough down the road, but it's plenty bright, it's as if it's angled too far down, is there a way to adjust this? (sorry if i'm jacking this thread)

[Loren]

while we're on the topic, my 02 C4S with the xenon headlights seems to not illuminate far enough down the road, but it's plenty bright, it's as if it's angled too far down, is there a way to adjust this? (sorry if i'm jacking this thread)

The headlight adjustment procedure is in your Owners Manual.

[bosstucker]

while we're on the topic, my 02 C4S with the xenon headlights seems to not illuminate far enough down the road, but it's plenty bright, it's as if it's angled too far down, is there a way to adjust this? (sorry if i'm jacking this thread)

The headlight adjustment procedure is in your Owners Manual.

Thanks Loren!

[rjf123]

while we're on the topic, my 02 C4S with the xenon headlights seems to not illuminate far enough down the road, but it's plenty bright, it's as if it's angled too far down, is there a way to adjust this? (sorry if i'm jacking this thread)

The headlight adjustment procedure is in your Owners Manual.

Thanks Loren!

Well, I replaced the headlight switch today. No problem doing the replacement, but my lighting problem remains exactly the same!! The new switch didn't solve the problem. :(

Where should i look next?

It strikes me as interesting that all the problems are on the right side. Could this be a problem with the turn signal switch cluster?

Thanks again,

Ross

[RFM]

Check the head light connectors (both, one on the unit and one on the car) for corrosion/high resistance and proper fitting, check the bulbs for right fitting type, placement and voltage, light switch unit (inclusive L/R flasher) on the steering column, wiring, in this order. A swap with a spare light unit, if possible, should already eleminate a failure in the unit self.