Quote:
Originally Posted by ohcbird
Where did you pull the signal from- the +, or the - side? Does the needle 'zero out' after you shut the key off?
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There isn't a coil or MSD connected yet, it jumps to 1000rpm just by turning the ignition key on, but it does return to zero once the key's turned off. Do stock GM tachs work on pulses from the coil? When fitting an MSD6AL can you just wire up to the tacho output on the MSD? thanks......Nige