ae86 20v BT with MSD tach adaptor

[phanist]

HI all

i just installed a blacktop in my ae86. and needed to use a tach adaptor to get my stock odometer to work... but not sure how to wire them up.. im running COP setup with out stock ignitor and coil... and i have a MSD tach adaptor... but not sure how to hook them up...
any one out there use a similar setup or know how to hook this up .. please help me... thank you in advance

[Duy-]

why do you need a tach adapter to get your odometer working?

[phanist]

im not using the stock original ignitor and coil...