Vehicle:
2000 Ford E-150 with 5.4 V8

Issue:
After the van has been running awhile and heats up, if it is shut off it will not crank to start back up, until it cools down. The time before it will crank again is longer on hotter days. Once cooled down, it will crank and start.

During the time that it WILL NOT start, when you turn the key to ignition on, the lights and radio will come on, and they temporarily go off as they should when you turn the key to crank, however no crank occurs.

What I have Done:

Replaced the Starter and Solenoid TWICE with parts from Advance Auto Parts

Replaced the Battery

Replaced the entire Wiring harness from Starter to Solenoid to Battery with Ford OEM wiring harness.

Replaced a PCM relay ( Cannot locate an ignition fuse or relay)

The questions I have:

Is there a fuse or relay specific to the ignition, if so where is it? There is not one labeled in the fuse box/panel or the manual.

Where is the ignition switch at, and could this be the issue given the symptoms?

Is there something that I am missing? I am being told advance auto parts are junk and that could be my issue. i fail to think that 2 of them are reporducing the same issue as the very beginning.

Any thoughts or help I would be thankful. This is my Aunts delivery van and I am trying to get it back up quickly.

 

You need to stop throwing money at the problem and do troubleshooting. Get a voltmeter or a test light.

When the condition occurs, use it and see if voltage is getting to the starter. If its not, check that the solenoid is getting voltage from the starter circuit in the ignition. Keep following the chain until you find the broken link. I will see if I can get the diagnostic table for no crank conditions when I get back to my shop this afternoon.

 

I can give that a shot. Problem is I am never around when the van has the issue. It happens on deliveries when I am typically at work. I have been unable to reproduce personally, but I never drive it.

Where is the starter circuit?, or ignition switch located?

Thanks so much for your reply, any extra help is greatly appreciated.

 

http://www.filedropper.com/00startingsystem

Steps to troubleshoot the starting system.

One other possibility. Next time it happens, have the driver shift the truck into neutral and see if it starts, if so, it could be a bad sensor on the trans (which can prevent starting)