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Instrument lighting
I have had several problems with the electrics, the latest is that the instrument lighting will not come on with the headlight switch...however, when I turn on the fog lights the instrument lights come on. The turn signals have been intermittent as well. sometimes they work and sometimes not. Coincidence?
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sutton |
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11-16-2007, 06:03 AM
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Join Date: Jan 2001
Location: So. Cal.
Posts: 9,108
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The first thing you usually do is check & clean your ground contacts. Sometimes that does wonders for problems you thought were complicated. Have fun.
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Marv Evans '69 911E |
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11-16-2007, 06:48 AM
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Location: Tucson
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Check your grounds. Typically when something works through the wrong switch it means that by operating that switch you've completed the circuit that was broken by the bad ground.
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1986 Carrera Coupe 1999 Chevy Tahoe 1987 Chevy Blazer 1955 Chevy Apache 3100 Pickup "A little knowledge is a dangerous thing" |
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11-16-2007, 06:51 AM
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Location: Glorious Pac NW
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Uhmmm, I hesitate to suggest this, but... I once spent about 80 minutes (after I thought I'd finished working on the car) trying to figure out why the instrument lights didn't work. Gave up, put the instruments back into the dash, switched the lights on to pull out and they worked..
Turns out there was a "dead" spot in the instrument light dimmer - in one particular position, they don't light up at all for me...
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'77 S with '78 930 power and a few other things. |
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11-16-2007, 10:36 AM
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Location: North of the Bridge
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John,
You didn't mention what year your car is. Remember that the gauge lighting is an un-fused circuit on early cars and prone to problems. Installation of a fuse can safe guard while troubleshooting and beyond.
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Free will is doing what we must joyfully. Jung '68 912 Coupe '82 SC sunroof |
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11-16-2007, 10:45 AM
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It's a 1970 911, that has been modified by PO. I may just rewire the whole lighting system.
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sutton |
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11-17-2007, 06:53 AM
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Join Date: Jan 2010
Location: Bredene Belgium
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Quote:
Where should I "Check your grounds"? What should I actualy do when I found them? 
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07-22-2010, 05:10 AM
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Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
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Lights.
Upon resolution of your current issue, you should fuse your dash lights along with other items.
Please see my post-added fuses and relays. Good luck, Gerry
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1986 911 Targa. Per Road and Track magazine: Only in L.A.: In the window of a bar in Hermosa Beach, California. "Happy Hour prices during all car chases." Last edited by 86 911 Targa; 07-22-2010 at 07:45 AM.. |
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07-22-2010, 07:42 AM
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