RPM/Tach signal: RPM from the #1 coil wire, it's white and red. Check carefully as there are 2 white and red wires, the other one goes to the fuel injectors. TPS signal: Throttle position sensor is the yellow and white wire from the Primary Throttle butterflies. ECU plug terminal 26 , yellow/ white stripe., for a TPS conection Kawi # 57001-1538 TPS calibration adapter harness. manual also states blue lead is positive, so that the one you will get the voltage reading from, approx 0.63 volts or slightly higher is idle approx 3.91 volts or slightly lower is 100% open