[DML] Re: My Tach has a mind of its own!

["dmc_5180" <dmc_5180@xxxxxxxxx>]

Nathan,

Did you clean the ground on the RH trailing arm bushing really good. A jumpy tach is a 
sure sign of an intermitent ground problem.

Dennis


--- In dmcnews@xxxxxxxxxxxxxxx, "Nathan Sobieralski" <valleyrat12@...> wrote:
>
> Hello everyone,
> 
> I noticed this when I took the D for its weekly drive. After I started 
> the car I turned the fans on to "3". The tach proceeded to jump up 
> into the 3-4000 range and oscillate back and forth, like it was 
> exaggerating my slightly hunting idle. What the heck? If I turned the 
> vent fans off the tach would go back to normal or if I revved the 
> engine it would go back to normal. After my drive it would not repeat 
> the same behavior even with the AC and headlights on! Obviously this 
> is an electrical issue but the batt reads 13 volts  at idle. I have 
> cleaned millions of grounds. Any ideas?
> 
> Nathan
> 2277
>









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