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Discussion Starter · #1 ·
Tacho working fine, removed std ECU, plugged in MS PNP MM9495 - car starts and idles but no tacho signal.

I've used the search, but not found anything that answers the question - any help welcome
 

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Discussion Starter · #2 ·
And now I wish I could delete the thread....

There was a wire disconnected on the loom that plugs into the ECU. Tacho works much better with it connected.
 
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