4K CSQ-Head light switch

[scott miller]

My older brother used to design chips and electrical gadgets for the auto 
industry.  When his and another brother’s 4kcsq headlight switches failed, 
he dissected the switches.  He determined the switch was at fault, and they 
replaced both.  A decade later he’s still driving his daily, with big 
eurolights and no relays.  My younger bro’ drove his for several years and 
traded it in without further light problems.  He used to hold his DOT lights 
in the “wink” or flash position while cruising on the highway (we were all 
young and foolish once).  Perhaps the replacement switches were more robust 
than the originals, but they appeared to be the same.

Lighting and relay makers all recommend adding relays and harnesses to 
everything, and give plenty of data to support it.  Adding components 
indiscriminately is just throwing money and effort at the problem ‘till it 
goes away.  You end up with a more expensive and complicated system that’s 
harder to troubleshoot and maintain.  If you’re going to relay your 
taillights “just in case”, it’d be simpler to just obtain a spare switch and 
add it to the parts and tools in your trunk.  Odds are good it’s just the 
light in your switch, as Huw mentioned, and you’ll never need it.

Scott Miller
'90 200tqw
Holland, MI


> > >>Before your switch fails, relay the lights.
> > >
> > >But which lights?
>
>headlights for better lighting
>interior/running lights (3 circuits, one relay) to lighten load on
>switch
>
>the "hot" switch might also be due tot he lamp in it...
>
>and as I have mentioned 12 or 13 times before, on "flash to pass", the
>high beams get their power via the supply for the parking light
>circuits.  that's a big load on one little contact.
>
>--
>Huw Powell
>
>http://www.humanspeakers.com/audi/
>
>http://www.humanthoughts.org/


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