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Those vehicles use an integrated power management module that holds that relay and several other parts and they can go bad. You have to replace the whole thing.
My friend had same problem so i waited till fuse blew an what i was doing when it blew the nutrel safety was getting hot replaced it now he is good to go
Is this a 1500 Silverado? I looked at my database, didn't see pcmb fuse? These databases are not always correct. On some gm makes and models, the pcmb fuse supplies voltage to both the pcm and fuel pump. Unplug the fuel pump, see if fuse still blows? If it does, it's not the fuel pump. Can't rule out wiring circuits? Has this vehicle sat for a long time?
My car stopped running without any warning, its a 2005ford focus, 2.0 and the 20 amp fuse for the engine management keeps blowing, it's number 9 in the panel and I have replaced it twice, both times it blew again, any tips? Also the odometer reads ------ and that's it.
that fuse feeds power to fuel pump relay circuit that feeds pump could be defective pump,or damaged circuit wires that shorts out! and not a good idea to put higher fuse in circuit could cause more damage to circuit! but i know when your stuck, u do what it takes,so inspect circuit related to fuse,
You have a very common problem. There is rust on top of the fuel tank, and it is shorting your fuel pump power input. Unplug the connector by the tank, and replace the fuse. If it does not blow, my solution is correct. Remove the tank, or remove the bed, to access the top of the tank. Remove the bracket that holds the pump/fuel sending unit and replace it.
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