Another gauge cluster problem. My lights don't work on my gauge cluster. Sometimes they would go out and a slap on the dash would get them working, but now they wont come on at all. I have no dash lights working at all and was wondering if it would be the dimmer switch? i took the cluster out and checked the bulbs they're not blown and were replaced last summer. I also checked the fuses not them either. also my speedo only works when it wants to and when it isn't working the clock doesn't work either sometimes a slap on the dash gets it working but not always. also the SI board was replaced with a new one last year. any help would be greatly appreciated!
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for the thousandth time!
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i would like to know what causes this too. i've heard bad grounding and "cold solder joints" so you should re-solder everything. but i havent tried that yet.sigpic
1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]
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- Ebay "kester no clean flux pen" and pick up a stick.
- IIRC some of the joints are large, you'll want a higher wattage iron - may need more then 15 watts.
- Apply flux (push in the pen tip onto a piece of paper 5 times before starting to get it going)
- keep a damp(not wet) sponge handy.
- touch tip to solder for no more than 3 seconds (2 would be better)
- wipe solder tip with sponge and keep it clean with only a smudge of solder on it.
- you may need to actually add some solder to the tip each time - a tiny tiny coating of solder helps in heat transfer.
- the solder should have a cone shape to it, and be very shinny when done. If you are not getting shinny joints - you're doing more harm then good.
-Lead is a poison. It will hurt you and make your baby retarded.
- Throw away the sponge when you are done, and wash your hands afterwards.
- The smoke the iron makes is just smoke, there is no lead in it. It won't hurt you - just waft it away with a breath.
See the red and blue arrow. If you find any that look like that, fix them. Those are broken from vibration.
Here is an example of a "dry joint" - cause in production - fix these too.
Last edited by george graves; 02-25-2010, 12:43 PM.Originally posted by Matt-Bhey does anyone know anyone who gets upset and makes electronics?
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