[urq] '85 bezel Headlight switch HOT

[Jon Archibald]

Wow, I had trouble believing the illumination could cause all that heat,
but it does feel esp. hot to the touch right on the "bulb". I will still
take a peak at the harness contacts as well.

Thanks all!
On Sep 30, 2015 11:12 PM, "Patrick Carlier" <p.carlier at pandora.be> wrote:

> Yes that is true ..
> I took my swithes apart and replaced the ligt bulb with a led .
> Doesn't get hot anymore .
>
> Pat
>
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> ----- Original Message ----- From: "Chris Miller" <
> chris.miller.home at gmail.com>
> To: "'Jon Archibald'" <archibald.jon at gmail.com>; <urq at audifans.com>
> Sent: Thursday, October 01, 2015 1:06 AM
> Subject: Re: [urq] '85 bezel Headlight switch HOT
>
>
> IME, it's the little illumination bulb that makes it feel hot.
>> Check how the lights were relayed.  There is a diagram around here (
>> http://www.frankdekat.com/pics/audi/4kswitch.jpg) that shows how to
>> bypass the high current flow away from the switch; I think the marker light
>> current all runs through there as well.
>> Chris
>>
>> -----Original Message-----
>> From: urq [mailto:urq-bounces at audifans.com] On Behalf Of Jon Archibald
>> Sent: Wednesday, September 30, 2015 4:57 PM
>> To: urq at audifans.com
>> Subject: [urq] '85 bezel Headlight switch HOT
>>
>> I've had my '85 for 15 years/23k miles (now at 79k). Previous owner did
>> headlight relays. I noticed for the first time yesterday that the headlight
>> switch is HOT to the touch even when none of the lights are on.
>> Works/illuminates fine other than being HOT.
>>
>> It makes me wonder if there is a short inside the switch? I don't have
>> any "ghost light" issues to speak of, so I am wondering how so much heat
>> would accumulate, even with the switch off. I'm wondering if some
>> melting/fusing of contacts may have occured within the switch prior to the
>> relays being installed and I am just noticing longstanding residual effects.
>>
>> Given that I am -thinking- a new switch may be in order, does anyone have
>> a source?
>>
>> Thanks,
>> Jon
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