Help with getting tacho to work in ae86

[Dre86]

I have recently bought a adm ae86 sprinter,it's running a silvertop 20v motor and standard ecu,the speedo is working but the tacho isn't,so not sure if the tacho is hooked up or wired correctly,any sort of help would be much appreciated,thanks guys:))

[Jacobxxx]

http://www.ae86drivingclub.com.au/forums/showthread.php/24743-AE71-Tacho-mod-for-modern-ignition.

PM littleredspirit if he doesn't post in this thread as im pretty sure he was talking about modding it for ae86 tacho aswell. Similar scenario though

[Matt]

The tach signal comes from the ignitor... Thinish black wire.

[Dre86]

Thanks for the help guys,I'll give it a go on the weekend hope it works:)