Throttle Position Sensor Wiring Diagram (1997, 1998 Ford 4 May 12, 2014Throttle Position Sensor (TPS) Wiring Diagram ( PART 1) Testing the throttle position sensor (TPS) itself is easy and can be done with a simple multimeter. The TP sensor test (explained in a step-by-step way) is found here: How To Test The 4, 5 Ford Throttle Position Sensor (TPS) (at: easyautodiagnostics ). ford tps wiring & ford iac wiring | DSMtuners May 04, 2008I have installed a 75mm tb & need to know the wiring colors to hook up the ford tps to the 93 dsm wires. The tps is off a 87-93 ford. I also need to know the wiring colors on the iac sencer to hook it up to my car.