I've only had my cougar for 4 days.ive already put a water pump on it.i noticed that my low and high beam headlights on the driver side is out and the high beam on the passanger side is too. i went to a dealer ship and got it fixed today. when i picked it up they worked just fine. then later today when i started the car up and begin to turn the lights on, none of them came on,the dash didnt come on either. the dash lights has been working find before then.
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forums.tdiclub.com > ... > VW MKIV-A4 TDIs (VE and PD)
Jan 23, 2014 - My driver's side lights are working fine - high and low beams. ... But it definitely looks like the big lamp on the driver's side gets brighter when ..... Drivers side headlight is very dim on low beam and goes out when on high beam ...
If the lgihts go out when low beam is selected, both low beam lamps may burned out! It is possible that you drove the vehcile with one low beam not working and didn't notice. The second failed and now you noticed!
If not, there is a headlight relay that selects high/low beam current to the headlights, but those things seldom fail. Check your owner's manual to find its location and replace it.
the lights that turn on when the car is started are the driving lights that are common in newer cars,, once you select the lights on the switch, these will turn off and the low beams take over,, High beams with a 4 light system is normal for what your describing , if they go out,, you either have a relay problem or the switch itself is going out,
The adjustment screws/nuts should be located either on the top of the headlamp assembly,
behind the headlamp assembly, or near the frame rail by the radiator
You will have vertical adjustment screws for each independent beam
(separate highs and separate lows, but will be same screw if highs and
lows are the same bulb). You may also have additional horizontal
adjustment screws as well
your car on a level ground 30 feet from a wall and measure the height
from the ground to the bulb and mark on a wall (do this for highs beams
and low beams if the bulbs are separate, if highs and lows are the same
bulb, only do it for the lows)
For Low Beams: If the headlights read VOR, then
aim the brightest part or cutoff part just below the mark on the wall.
If it says VOL or nothing, aim them 2 inches below the mark on the wall.
For High Beams (if separate from low beams): Aim the headlight directly at the line you marked on the wall.
None of the above solutions are correct. Here is the correct solution:
The problem is in the high beam switch assembly which also houses your turn signals and possibly cruise control. There are some electrical contacts in the assembly which dis-connect the low beams when you put the high beams on. Constant use of the high beam switch will create arcing on the low beam switch which makes the contacts not conduct electricity anymore.
The repair is to either replace the assembly, $300 at dealer, $100 or less do it yourself, or take the assembly apart and clean it for free. (2 hours or less)
Instructions on taking your steering wheel off here: http://forums.tdiclub.com/showthread.php?t=151557
Instructions for fixing the switch here: http://forums.tdiclub.com/showthread.php?t=167831&page=4
P.S. If you own a VW, especially around model years 1999 to 2004, there is a rare but devastating problem with engine coolant being literally pumped through all electrical parts of your car.... destroying it. Repair cost = $8,000. It is called coolant migration. Check your VW right now (takes two seconds, literally), and do a two-minute procedure to fix your car to prevent the problem here: http://www.myturbodiesel.com/1000q/multi/coolant_migration.htm
replace the headlight bulbs. Usually when the bulbs blow out the low beam blows out first, but the high beams still work.
If you want and need both low and high beams to work then replace the headlight bulbs with brand new ones and I garauntee that both low and high beams will work
There are no relays for the headlights. Your problem could be from the
headlight switch. You would have to check and see if you have power
coming out of the switch on the low beam side. Check with a test light.
When you open the hood and look at the headlight assembly you will see 2 plastic gears, they take a hex tool, and the one to adjust the lowbeams is the outermost one towards the fenderwell of the car, the high beam adjustment is the one closest to the radiator.