can someone help me locate the tach wire under the dash. i need to send my rpm signal from an aftermarket coil pack to my stock tachometer, hoping i dont have to remove the gauge cluster just to tap in. 92t so newer style harness colors.
stock tach wire location/color
- Thread starter speedfreak
- Start date
It goes through the ECU area, plug M1. pin 4.
http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=28
http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=29
http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=28
http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=29
does someone know if the stock tach is 200volt input or 12volt input? or possible 5v? looks like 200v as the signal comes from the ignitor and not the ecu?