Hi i have a 01 expedition xlt 5.4L started up today drove to store got back in car and it wouldnt start checked fuses saw that 30 amp fuse was blown replaced and it blew again replaced this fuse about 5 times and it keeps blowing which is causing car not to start it will crank but not turn over.How can i go about tracking the problem with out breaking the bank,any help would be appreciated thanks
More than likely its being caused by a short-circuit to ground in the wiring in your Cranking Circuit.
If it blows the fuse immediately after installing the fuse, its probably a hot-wire. If it blows it the second you try to crank it over, its probably one of the wires between your ignition and the Starter Relay.
To track down the bad wire you'll need a Wiring Schematic for the vehicle and either a Digital Volt/Ohm-Meter or Test-Light and a basic understanding of wiring which is... honestly a little hard to explain over the internet. However, that is the only course that can be taken without taking the vehicle to a qualified Dealership Technician.
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