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  #1  
Old 05-03-2011, 11:44 PM
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tachometer goes to 6 when i press the window switch

82 300d. the tach doesn't work. when i press the window switch to raise when the window is closed it pegs the tach. when i press the brake it bounces. i searched tachometer.

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  #2  
Old 05-03-2011, 11:54 PM
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you have a Ground issue I think. Check and clean your ground points. there's some under the cluster. and a few other places. Not familuar with the 123's and 126 grounds
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  #3  
Old 05-04-2011, 12:08 AM
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^^ X2


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  #4  
Old 05-04-2011, 12:13 AM
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Also, your Tach Amp might be out and it may be the reason your tach dosnt work. It's a Cylindrical thing on the Drivers side fender. may want to take it off, clean the connections. if not, replace the amp. (again I am assuming your car has this type, Others will chime in on it I'm sure)
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1987 300TD 311,000M Stolen. Presumed destroyed
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  #5  
Old 05-04-2011, 03:19 AM
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Shame the engine doesn't boost this way too - it could be the new street racer modification!
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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

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Don't leave that there - I'll take it to bits!
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  #6  
Old 05-04-2011, 10:30 AM
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o-to max rpm in the blink of an eye!

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