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Registered
Join Date: Apr 2006
Posts: 186
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speedo stops when dash lights on...
OK, the speedometer in my 1988 930 stops working when the dash lights come on; really. The needle drops to "0" as soon as the guage lights up. Anyone have any ideas??
Thanks, RD |
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08-19-2009, 05:57 PM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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Sounds like a weak common ground connection somewhere behind the intruments
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08-19-2009, 06:00 PM
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Black and Blue
Join Date: Jul 2000
Location: Austin, TX USA - Ya'll
Posts: 2,555
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RRD,
I got your pm, I have a similar problem...works without lights on but doesnt give accurate reading. what are the voltage ranges for the signal wires? it would be easy to test if I am getting a signal. JF, I can rewire a ground easy enough, ill try it out
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Kemo 1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore 1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver |
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08-24-2009, 02:29 PM
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Registered
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Yes,...ground checks first.
Best, Doyle
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Recording Engineer, Administrator and Entrepeneur Designer of Fine Studios, Tube Amplifier Guru 1989 Porsche 911 Carrera Coupe 25th Anniversary Special Edition Middle Georgia |
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08-25-2009, 03:57 PM
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