Hi everyone, I'm new here. I recently upgraded to a f450 4x4 with manual trans. Had a '97 7.3 since it was new but unfortunately the NY salt finally killed the body. So I'm here in FL for the winter and bought this truck in good shape ( no rust) with 300k on it. During test drive and inspection the check engine light was on and some what under powered. I noticed when checking over the motor the boot on the hot side of turbo had a hole in it which would explain the low power. The owner said it had been get deleted and studded is why the engine light was on. I later also discovered the oil gauge wasn't working and could see oil coming out of the center of the oil pressure switch. So when I got it to my place I decided to change all the filters and oil, a new oil pressure sensor and both boots on the hot side of the turbo. When I had the boots off the turbo noticed play in the turbo ( enough so the blades were almost hitting the housing) so I rebuilt it. After I changed the filters and oil sensor but before I rebuilt the turbo and boots, I did start and run the motor for about 15 minutes and it ran fine other than the bad boot still low power. After rebuilding the turbo and new boots it wouldn't start. Upon checking things over I see that the IPR is unplugged. I finally get my hand down in there and find the pigtail is all brittle and fell apart. I put in a new IPR and pigtail not paying attention what way the wires went in relation to the plug. It wouldn't start so I switched the wires and still no start. Could I have fried something in the PCM or FICM? Is there a fuse for the IPR? At my wits end here and would greatly appreciate any help.