Headlight problem...
Thread Starter
AudiWorld Newcomer
Joined: Oct 2011
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Headlight problem...
Hello all. This is my first post. Been following you guys since I bought my Audi though. Its a great information source.
Anywho, I have a 2004 A4. I recently replaced the engine(which should be a whole new thread). Everything pretty much married up alright. But weeks after, I started to experience a few electrical problems. The drivers side window wouldn't go down. After some searching, I found disconnecting the battery often fixed it. And it did.
However, weeks later, again, the other side stopped working. And this time the battery trick didn't work. I recently moved to Florida from New Jersey and three states down on my way I got pulled over by the police. He wanted to inform me I had a headlight out. By the time I got to Florida, and about 200 miles from my destination, I realized both were out. I felt like the engine had a change in power at that leg of the trip for about 5 seconds. Kinda wierd. I think it may be related.
Im taking it to the shop in a few days if an easy fix doesn't pan out here. Any help you guys might offer would be great. I'm not expecting much. I try to do my homework but I'm stumped other than to start replacing obvious swithces. If anyone knows where to access the circuit to troubleshoot out the components, I would appreciate it.
Anywho, I have a 2004 A4. I recently replaced the engine(which should be a whole new thread). Everything pretty much married up alright. But weeks after, I started to experience a few electrical problems. The drivers side window wouldn't go down. After some searching, I found disconnecting the battery often fixed it. And it did.
However, weeks later, again, the other side stopped working. And this time the battery trick didn't work. I recently moved to Florida from New Jersey and three states down on my way I got pulled over by the police. He wanted to inform me I had a headlight out. By the time I got to Florida, and about 200 miles from my destination, I realized both were out. I felt like the engine had a change in power at that leg of the trip for about 5 seconds. Kinda wierd. I think it may be related.
Im taking it to the shop in a few days if an easy fix doesn't pan out here. Any help you guys might offer would be great. I'm not expecting much. I try to do my homework but I'm stumped other than to start replacing obvious swithces. If anyone knows where to access the circuit to troubleshoot out the components, I would appreciate it.
Audiworld Junior Member
Joined: Nov 2011
Posts: 10
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From: Boston
cant really voice in about the engine/headlights too much, but whenever i hear bad things about the windows not working properly its the wiring harness in between the doors (especially the drivers), i would take a look there and pull back the boot and see if they broke, if your car a a good amount of miles on it its probably falling apart in there.
also now that i think about it, my old b5 had a bunch of electric problems on it for a while, one headlight went out and then the other within the same day, turned out it was the battery somehow. i replaced it because it was dieing and everything was good after that. maybe check to see if your battery is holding charge
also now that i think about it, my old b5 had a bunch of electric problems on it for a while, one headlight went out and then the other within the same day, turned out it was the battery somehow. i replaced it because it was dieing and everything was good after that. maybe check to see if your battery is holding charge
AudiWorld Super User
Joined: Feb 2010
Posts: 3,066
Likes: 37
From: Fort Worth, Tx
x2 on the door harness for your windows.
As far as the lights, I would be suspicious of the relays under the ECM box. If your cowl drains are blocked and it is raining, you maybe shorting out relays.
As far as the lights, I would be suspicious of the relays under the ECM box. If your cowl drains are blocked and it is raining, you maybe shorting out relays.
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Yep, I agree about the harness. Already checked that, all clean with no marks on the wires, looked new. The drainage issue makes sense. I experienced most of the issues while it was raining. I will have to check that and get back to you...thx for the input!
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Quick update with the info, might be non-related to the headlight issue:
After takin my car to the carwash today, and spraying it with the high powered washer, my passenger side window worked from the drivers side console. That was for about five minutes. I'm guessing maybe a loose or corroded connection someplace in one of the doors or engine bay. I'm still appreciating any input, and I will keep you posted as well for a solution. Thanks.
After takin my car to the carwash today, and spraying it with the high powered washer, my passenger side window worked from the drivers side console. That was for about five minutes. I'm guessing maybe a loose or corroded connection someplace in one of the doors or engine bay. I'm still appreciating any input, and I will keep you posted as well for a solution. Thanks.
AudiWorld Super User
Joined: Feb 2010
Posts: 3,066
Likes: 37
From: Fort Worth, Tx
Take a look at the attached. Might give you some ideas.
http://www.audizine.com/forum/showth...relay+corroded
http://www.audizine.com/forum/showth...relay+corroded
Thread Starter
AudiWorld Newcomer
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Take a look at the attached. Might give you some ideas.
http://www.audizine.com/forum/showth...relay+corroded
http://www.audizine.com/forum/showth...relay+corroded
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