blowin lots of fuses - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 12-22-2009, 08:52 AM Thread Starter
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blowin lots of fuses

my truck wasnt starting the other day and i came to find out (due to the org) that it was my #30 fuse to the fuel heater. well this morning i go from my lane to pull in to the garage and load my truck. i get in to start it and it does the same thing so i look at the fuse and its blown, no biggie i have a pack of them. then after i blew 5 30A fuses in a row i give up. does anyone know why it would blow five in a row like that?

1999 7.3L F-250
397000 Miles @ Last Check
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post #2 of 7 Old 12-22-2009, 08:56 AM
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the fuel heater is shorting out. their bad to have the element break lose from its connections, and short against the fuel bowl housing itself. Unplug it at the fuel bowl, or replace the heater. Depending on your location, its not really needed.

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post #3 of 7 Old 12-22-2009, 09:01 AM
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check your body grounds...rust or the white crusty stuff increase the resistance, more resistance means higher amps or more heat in the wire

08 f350 KMC wheels with 33" MTZs, bed rails with a reese 20k slider, 5% tint all around, 60gal fuel box, kenwood monitor, afe drop in filter, livewire w/innovative tunes, sinister egr delete, twisted stage 3 trans

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post #4 of 7 Old 12-22-2009, 09:14 AM Thread Starter
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could you give me a quick walk thru of how to do it? (where it all is, and what exactly there is to do?) i was gonna go pick up moms christmas present but now i cant and i would like to kinda suprise my dad and have it fixed up before he gets home

1999 7.3L F-250
397000 Miles @ Last Check
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post #5 of 7 Old 12-22-2009, 09:26 AM
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There is an electrical connector on the bottom, backside of the fuel filter housing, just unplug it and see if it quits blowing fuses.

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post #6 of 7 Old 12-28-2009, 09:26 AM
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Any update?

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Specializing in: 6.0, 6.4, 6.7, and 7.3 Powerstroke Diesel

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post #7 of 7 Old 01-03-2010, 02:57 PM Thread Starter
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unplugged it and worked and still hasnt failed me yet! thanks guys, cold weather comin up so lets see how it holds up.

1999 7.3L F-250
397000 Miles @ Last Check
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