99 cranks, no tach, no CE or glow plug lights

[strokeandgo]

Like it says its a 99 450, 7.3 auto 4x4. Was running to use the PTO, then it just died, Already changed the cam sensor. Its sitting in a customers driveway so any help would be hugely apreciated. All the lights come on for the oil and abs etc. but there is no check engine or wait to start lights and the tach doesnt move when cranking. It will not even connect to a scanner to pull codes. Is it the PCM, I am stumped, I checked all the fuses also.

P.S. I would have it towed and worry about it later but were rebuilding a bridge and well its not on the right side of the creek...

[4ds4me]

Did you check the fuses under the dash and under the hood, sure sounds like the fuel bowl heater has shorted and blown the fuse.

[strokeandgo]

yeah looked over them all, is that circuit under the dash or hood? The truck was low on fuel, I dont think that it ran out but it may have, there is fuel in the filter housing.

[FordCowboy]

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[FordCowboy]

On mine that fuse is under the dash. It's a 30amp. Right side of the fuse panel, towards the bottom. Can't remember the number.

[FordCowboy]

I think there is a PCM relay too that can go out. You can swap it with something that you don't need to start the truck, like the AC relay, but I'm not sure which is which and what not. I will look and see.

[strokeandgo]

Ill have to go double check, is that the same circuit that powers the ecm?

[4ds4me]

Depends on what year, early 99 or late 99, pretty sure its a big maxi fuse, on mine 30 amp under the hood. Left side of the engine bay right behind the air filter.

[FordCowboy]

Originally Posted by 4ds4me

Depends on what year, early 99 or late 99, pretty sure its a big maxi fuse, on mine 30 amp under the hood. Left side of the engine bay right behind the air filter.

I knew it was in different places on different years. Didn't think about it being different between early and late 99.

[strokeandgo]

All the fuses look good, I just had someone else look again