There really isn't one anymore. The instrument in the dash is just a stepper motor, which gets a signal from the PCM. You will need an adapter from a tach manufacturer to hook up any kind of aftermarket gauge.
i dont know whwere is the tachometer wire of 2001 ford windstar
If the tach wire shorted or melted.
a tachometer, wire and wire terminals
look at your trany it should have a wire going into it on the top side in the middle
White wire coming from the distributor.... remove a section of sleeve from wire and splice the signal wire from tachometer to it!
pin 48 on the pcm connecter is tach signal connect to your green wire from tach
Green wire on the distributor is the tachometer pick up. Green wire on the distributor is the tachometer pick up.
Black wire to ground, red to batt, white to instrument lamps and green goes to PCM white wire with pink stripe!
YELLOW
I think you can by attaching it to you spark plug wire
Use an inductive pickup on plug-wire #1, and connected to tachometer located in vehicle.
The remote wire on the factory radio in a 2005 F150 Ford Supercrew is usually blue. The remote wire is used to connect extra things to a radio that are not already factory installed.