[BMWCSRegistry] Lights out!

[cgshawaii at netscape.net]

I think your gremlin-chasing skills are exceptionally thorough and you should be congratulated?for clear presentation.

Two choices for your next step:? first, clean the ground point (remove and burnish with wire brush) so it's nice and shiny; two , remove the headlight switch and shoot some contact cleaner in it, while operating the switch..? Then reinstall and see if it works.

Failing that, you can suss out the function of the switch and bridge the contacts to make things work.? If this brings back proper function, the switch isi bad and you have nothing to lose by taking it apart, at which pooint you either restore it or make an irretrievable mess of it.??It's a guy thing; you have to do this.

The other thing is just to break down and buy another switch from someone.? The dimmer function is suspect and should be assessed prior to purchase.



Charlie 


-----Original Message-----
From: gary.jane <res076bb at verizon.net>
To: coupegroup <bmwcsregistry at idb.ded.forest.net>
Sent: Mon, 17 Dec 2007 12:28 pm
Subject: [BMWCSRegistry] Lights out!



Well, Happy Holidays!

?

I traveled about 10 miles from home to attend Thanksgiving dinner at a fellow BMW lover's home, and, upon leaving, and/or arriving home, I was so joyed to discover that the following lights were inoperable in my coupe:

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- side marker lights: left and right, front and back

-?tail lights: left and right

- under-hood light

-?instrument cluster illumination

- custom guage set illumination (lighting wired into stock cluster lighting)

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I have been laid up with a severe cold/sinus condition for some 7 weeks now, and today was the first chance I have had to even look at my coupe since Thanksgiving. Here's what I have verified as working:

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- head lights: high and low (low/high)

- tail lights: left and right

- directional parking lights (operated by turn signal stalk when car is parked - European delivery option): front and rear?

- back-up lights: left and right

- trunk light

- brake lights: left, center (I added one to my package shelf), and right

- instrument idiot lights

- fuel guage

- water temp guage

- custom guage cluster guages: oil pressure, water temp, ammeter

- heater blower fan

- wipers: intermittent, low, high

- wiper washers

- cigar lighter

- radio

- interior courtesy light

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The coupe starts and runs per normal, which is very well now, as I added a Pertronics ignition in August.? All fuses (all glass) pass?smell, sight and continuity tests.? Looking at my wiring schematics, I have deduced:

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1.? The inoperable lighting is all driven off fuses 1, 2, and/or 3.? But, these fused are all "OK".

2.? Many, but not all (front marker lights, under-hood light, instrument lights) lights share a common ground in the rear trunk wall.

3.? ALL, as in ALL, of the inoperable?lights are controlled by the main light switch (first detent), and none of the working lights are!!

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So, methinks that I have a faulty light switch.? The switch is original (125K on the car).? Can't say I have operated this switch but maybe two dozen times since purchasing the coupe in 1999. What do you people think about this situation?

?

TIA,

?

Gary Burke
1973 3.0 CS
+2240356+

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