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  #1  
Old 10-01-2006, 09:46 PM
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Tachometer problems

I have a 1985 300SD and the tach is out of whack. It seems to be doing the opposite of what it is supposed to. When I press on the gas, the tach guage goes down to zero. When I take my foot off the gas, the guage goes up to the right reading.

Has anyone experienced this??

Thanks
Rob

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  #2  
Old 10-01-2006, 10:07 PM
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Yes.


.
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Old 10-01-2006, 10:16 PM
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How did you fix it?
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Old 10-01-2006, 10:18 PM
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New amp' and TDC sensor..

Before you spend.....try this....wriggle test the wiring....may be the torque lean of the motor is pulling the wiring .



.
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  #5  
Old 10-01-2006, 10:43 PM
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How do I wiggle the wires? Up underneath the dash or from inside the engine compartment?

Rob
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  #6  
Old 10-01-2006, 10:45 PM
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Quote:
Originally Posted by Rob 300SD View Post
How do I wiggle the wires? Up underneath the dash or from inside the engine compartment?

Rob
No no no no no......ENGINE BAY LOOM !

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