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Discussion Starter #1 (Edited)
2002 f350--- fuse #22 keeps blowing ??? unpluged the filter bowl heater ( was told that was for the older trucks) but did it anyway it-- changed out the-glow pug relay it started but after driving home when I turned it off #22 keeps blowing ???? any ideas guys
 

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Not the fuel bowl heater or GPR. Check the engine harness where it crosses the valve cover on the drivers side. If it rub through the wires there it will blow that fuse.

Hope you find it.
 

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Discussion Starter #3
#22

Flywheel -thanks for that--so you say the harness that goes from valve cover to other or just on the drivers side going towards the firewall. Did you the same problem ?? THANKS JV:thumbsup:
 

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Fuse 22 controls your injection pressure regulator and also the brake pressure switch. You may want to disconnect them one at a time and see if that fixes the fuse from blowing. My guess that if you are not having running issues it is the brake pressure switch.
 

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Having fuse 22 blow as well. Repair guy chasing short for 2 days...says when he unplugs EEC-V, the fuse won't blow. Already replaced PCM and FICM. Possible it's bad as well or most likely still a short unlocated?
 

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Having fuse 22 blow as well. Repair guy chasing short for 2 days...says when he unplugs EEC-V, the fuse won't blow. Already replaced PCM and FICM. Possible it's bad as well or most likely still a short unlocated?
So - what exactly are you driving? A 7.3 doesn't have an FICM, and an EEC-V is an engine control module, which is the same as the PCM which you say you've replaced. If it is unplugging the PCM that keeps the fuse from blowing and you know you have a good PCM, then obviously the problem is in the wiring going to (or maybe coming from) the PCM.
 

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So - what exactly are you driving?
Apparently it's an 04 6.0L. Based on his other post (in the proper forum).


Closing this one down.
 
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