Help.

I have the APEX-I Rev/Speed Meter And I try to fine the vehicle speed signal and engine RPM signal wires at the vehicle's ECU. Does any one who know which wire are those. I need to
identify which is which and where it at. can any one help.

 

ka or sr...
if its on the sr i believe u screwed cuz the tach works off dist signal

 

The one I hve is a ka24e. where ca i tell the wire from a part.

 

im not home and dont have the fsm on me... but just buy a fsm,,,, =)