[V6-12v] Euro headlights
Roger M. Woodbury
rmwoodbury at downeast.net
Thu Nov 25 07:52:04 EST 2004
Yup. There are several "fixes" archived on the V8 list, including installing
a jumper to bypass the circuit. That will disable the Autocheck system for
the headlights, which I don't mind, but still doesn't explain why I have no
trouble with the V8 and do with the 100. I am wonder if there is something
that is different with the system in the later car than in the Type 44 cars?
----- Original Message -----
From: "The CyberPoet" <thecyberpoet at cyberpoet.net>
To: "Roger M. Woodbury" <rmwoodbury at downeast.net>
Cc: <v6-12v at audifans.com>
Sent: Thursday, November 25, 2004 7:24 AM
Subject: Re: [V6-12v] Euro headlights
> There are two issues with the headlights that come to mind.
> The first is the bulb out warning -- the system checks the resistance on
> the circuit on each side and compares them; if they are more than a
> certain amount off of each other, it assumes the bulb is out. Using
> identical bulbs from the same manufacturer usually rectifies this.
> The second issue is a relay-related issue on the driving lights (i.e. -
> fog lights) and switching from lowbeam to highbeam or visa-versa, where
> the driving lights fail to turn on or off. I don't remember the exact fix,
> but it had to do with adding a ground circuit somewhere in the system. I'd
> check the V8/quattro list archeives to find it.
> =-= Marc Glasgow
> On Thursday, November 25, 2004, at 07:17 AM, Roger M. Woodbury wrote:
>> We have just had European headlights (H-4 bulbs) installed in our '94 100
>> Avant. The headlight low beams trigger the "headlamp out" signal on the
>> Autocheck system. I know that there have been posts about this on this
>> and other lists, and wonder if anyone remembers what the "fix" is for
>> this problem?
>> Interesting enough, high beams do not register on the Auto check system,
>> and the ikon goes out when high beams are selected. I have not checked
>> with the mechanic yet concerning whether or not he relayed both high and
>> low beams separately, as that might make a difference.
>> I have European headlights in my V8 and had them in my 200 Quattro Avant
>> (1989), and the Autocheck system didn't go haywire with them, so it is
>> something with this particular installation, or something unique to this
>> later body style's Autocheck system.
>> Any ideas?
>> V6-12v mailing list
>> V6-12v at audifans.com
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