You should be able to use the power side of Injector #1 for the tach signal
follow the thick positive wire from the battery and you will find a stater at the end of that rainbow
Do an online search for the part you need and you will see the prices.
Check the starter and the cable from the starter to the starter relay. Also, the relay itself. Could be any of these.
How do you remove and replace the battery on a 2001 Ford F150?
starter is out, motor is locked up or your starter solenoid is out.
Location of starter on 89 ford f150
Did you just recently have a remote starter put in ? I had the same problem with my car and I took it back to the shop and they reset the ABS switch and I had no further problems.
On the Starter
Yes, the 2001 Ford F150 driver's door will fit on the 2001 Ford Expedition.
How do I locate the heater blend door actuator in a Ford f150 pickup
on bottom side of engine
Somebody with the remote is messing with you. I had a similar problem years ago and found a defective starter solenoid was the problem