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Old 12-13-2006, 06:39 PM
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justinperkins justinperkins is offline
I ♥ German Cars
 
Join Date: Sep 2006
Location: Austin
Posts: 1,312
Quote:
Originally Posted by pmckechnie View Post
The only connection between the brake lights and the console lights is the tail/brake light assemblies. If a bulb looses its ground, brake light power will feed back through the tail light wireing to the dash lights. Follow along and I will try to explain how I find problems like this.
First, turn on the parking lights and look carefully at both sides of the car and make sure both sides are the same. Look for the brightness of the lights on each side. They should be the same or close to it. Now with the parking lights still on, have someone press and hold the brake peddle. The brake lights should come on and be brighter than the parking lights. Again, make sure both sides are the same in brightness. Next turn on the emergency lights. Now the parking lights, brake lights and flashers should be going. Again check both sides. My guess is that in one of the above things you will see a difference. Just investigate this difference and you will find your problem. The same proceedure works on the front if you have something strang going on there. I do this first for all lighting problems and 90% of the time it will get me started in the right direction.
By the way, I've been doing this for probably 50 years.
That's awesome that you figured all that out. It almost makes me wish I had light problems so I could solve them in a snap with this awesome technique. Almost.
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-justin

1987 300TD, 1987 300TD
2008 R32, 2000 Passat Wagon
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