Thread: Audi 100 speedo
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Old 15-12-08, 06:13 AM   #5
pimpdriver
Devon Pastie Muncher
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Join Date: Jul 2007
Location: Calne Wiltshire
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Quote:
Originally Posted by TheTwelveQuidKid View Post
On mine, the speedo jumps about and won't read over 60, and the temp guage only works once in a while. I've had the whole thing apart twice, checked all the connections and still had no luck with it. Occasionally the green indicator bulbs on the dash interact with the speedo illumination and the blue one for main beam. Bad earth somewhere ? If it is, fcuked if I can find it.
Another thought. What if it's the drive pinion in the diff. I don't know if Audi 100s have one seeing as they're electronic. Or speed sensor.
Mine does the "indicator bulbs and main beam" too. Usually after 30 minutes driving.

Will put the soldering iron on the connections next week.
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