Engine will not crank

Tiny
JNIM77
  • MEMBER
  • 1996 FORD F-250
  • 7.5L
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I bought the truck listed above for a project. Truck wouldn't crank. Jumped the solenoid and it turned over. Replaced the solenoid and still won't crank. The fuel pumps aren't coming on or registering on the dash when I turn the key on. Could I have a bad ECM? Truck is getting spark.
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Wednesday, April 7th, 2021 AT 12:45 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

I need to confirm understanding. Is the starter not engaging or is the problem the fuel pump isn't working?

If you have spark and no fuel, there is an inertia fuel cut-off switch that may need reset. IT is on the passenger side under the kick panel. See pic 1 below. If that is what is happening, try resetting the switch to see if the fuel pump works. Pic 2 below shows what the switch looks like.

If the problem is related to the starter not working, first, take a look through this link:

https://www.2carpros.com/articles/starter-not-working-repair

Next, see if makes a difference if the transmission is in neutral. If it does, then we need to check the neutral/park switch.

If it doesn't, we need to check where power is lost. If you look at pics 3 and 4, I included the wiring schematic for the starting system. The easiest thing to check is fuse 10 in the underhood fuse box. Check that fuse. In addition to the fuse, confirm there is power to it. It is powered by a fusible link which may be bad.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Let me know what you find.

Joe

See pics below
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Thursday, April 8th, 2021 AT 8:04 PM

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