shift lights are universal, you can tap your tacho signal from either the ECU (EFi) or negative ignition terminal (distributor). Of course the ECU is normally cleaner.
I'm running on a carb myself and if you can run a tacho, you can run this.
guys, may i know what type of ECU we had in our 1.5cc engine(3sz-ve)? today my friend brought his OBD2 dignostic tool with bluetooth model ELM327,then connect to my android phone by using the apps call Torque.. the...