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blowing fuses


BigJohn76

Member
Joined
Nov 19, 2008
Messages
683
Reaction score
18
Points
18
Location
George, IA
Vehicle Year
1998
Make / Model
Ford
Engine Size
4.0
Transmission
Automatic
97 250 7.3 PSD auto
i keep blowing the fuse for the dash, parking, and taillights. it is supposed to be a 25 amp fuse but when the first blew i put in 30s and this last time seemed to last a while but it did it again tonight.

i put in a sony cd player that would dim when the lights were turned on, but we cut that wire when this started happening.

it will blow fuses right away but then it decides it likes one and keeps it for a while. it is starting to piss me off

i think i have a voltage problem because when i step on the brakes or the truck slows down a lot, the voltage drops. is that what is causing this? i have also been told that the headlight switch could be the cause. thoughts?:icon_confused:
 


bigcountry

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Joined
Mar 12, 2009
Messages
535
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Location
new market
Vehicle Year
2007
Make / Model
ford
Engine Size
3.0
Transmission
Automatic
check your alternator or alternators cant remeber if the 7.3s have one or two there should be a voltage regulator your could be going out
 

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