MSD and tachs again

4nford"Live wrong and Perspire"

I just installed a msd ignition system in my '73L consisting of:

Ready to run billet #8350
Tach Adapter #8920
MSD 6AL
Blaster 2 coil

Got it hooked up and all works great except the tach reads zero. I've checked, double checked and checked again and all seems to be correct using the MSD diagrams. I have checked my wiring diagrams which indicate that the blk/blue wire is the trigger. I've also read on this forum that others have found the light blue and pink as their triggers. Any suggestions or ideas?

Thanks in advance.

5/4/0511:50 PM

Original Post

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