how do i get my original rev gauge to work???

[deanoo]

hey guys i have done a sr20 conversion into my ae86 and i want to know how do i get my rev gauge to work???

[mikewestphoto]

Make a negative post simulator off the 5v square wave for tach that the nissan ECU puts out.

There's circuit diagrams somewhere on toymods.

[Hen is a total nutcase]

Here's (http://www.toymods.net/forums/showthread.php?t=6355) thread that may help.

And it's usually easier to call it a tacho.

Hen