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1994.5 - 1997 7.3L Power Stroke Diesel  

Fuse problem underhood?

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Old May 6, 2011 | 08:34 AM
  #1  
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Oldsmoky92
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Fuse problem underhood?

Hey i am working ona 95 stroke, it has a dead short on the 50amp maxi fuse #15 under the hood. The manual says the fuse is for fuses 1 and 7 in the cab and for the power network box. Fuse E. I cant seem to find any info on the power network box, any help would be greatly appriciated. Thanks, Chad.
 
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Old May 6, 2011 | 08:51 AM
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Hussler
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Don't think we have a power network box. Fuse #15 50A does supply power to fuse 1 and 7 in the cab as you mentioned. Diagram shows it also supplies power to fuse #5 15A in the engine compartment. Is this a truck or a Van?
 
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Old May 6, 2011 | 05:28 PM
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Oldsmoky92
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It is a 4x4 5spd pickup that has the dually one ton conversion done. Any ideas would be great because this one is making my head hurt.
 
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Old May 6, 2011 | 11:29 PM
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power network box? maybe you are refering to the power distribution box,which is the fuse block under the hood which subfeeds the fuses in the cab.
i would start with the process of elimination to try and isolate your problem.Remove fuses#1,#5,and#7 in the cab,then see if fuse #15 under the hood blows,if it does you have a wiring problem between the fuse blocks.if not install fuses#1,#5,and#7 one at a time untill fuse blows again this will point out which circuit you have to check out.

in cab fuses:
#1-heater/ a/c blower
#5-air bag restraint
#7-turn lamps,rear window defrost

heres a link to a '96 manual, there's a little information in there.
1996 Bronco/F-Series Workshop Manual
i have schematics for the '97 electrical system if they would work for you.i can't manage to post them.i would have to email them to you.send me a pm if you need them.
good luck, i know electrical problems can be a P.I.T.A. sometimes.
 
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Old May 8, 2011 | 09:03 PM
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Oldsmoky92
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Thanks. We found the problem, it had a wire grounded in the cab where the main harness plugs into fire wall.
 
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Old May 8, 2011 | 11:34 PM
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clean '97
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From: Longmont CO.
good find,glad to hear it's working again.
 
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Old May 9, 2011 | 05:05 AM
  #7  
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Good find!
 
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