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Rev Counter not working

 
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Gazc2  



Joined: 14 Oct 2016
Posts: 14
Location: Scotland

PostPosted: Wed Nov 09, 2016 7:53 am    Post subject: Rev Counter not working Reply with quote

Can anyone give me some pointers for testing the rev counter which is not working in my car .Does it take a signal from the coil (Green Wire?) which I suppose the only check is a continuity check ?. I have yet to remove the iinstruments yet so don't know the condition of the connections.

any help appreciated

Gaz
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edredas  



Joined: 09 Dec 2004
Posts: 861
Location: Charlotte, NC

PostPosted: Fri Nov 11, 2016 6:04 am    Post subject: Reply with quote

Yes, the green wire is the signal from the DME, and the black wire is the power. The power comes from the DME relay. There is a brown wire on the chassis of the tach and if it is not plugged in then the tach will not work.

I hope that helps!
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Gazc2  



Joined: 14 Oct 2016
Posts: 14
Location: Scotland

PostPosted: Fri Nov 11, 2016 6:14 am    Post subject: Reply with quote

Thank you sir very helpful, I have a new speedo to fit as well so hopefully will get this sorted at the same time.

cheers

Gaz
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