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Remove fuel lines at Carb. Blow carburetor cleaner through lines into tank. Spray carb. 1/4 cup carb cleaner into tank shake thoroughly pour out and repeat until clean. Blow out fuel lines into tank with compressed air and blow out tank with compressed air.
I would think that either the power wire feeding the pump or the pump itself is grounded and causing the fuse to blow. Pulling the injector relay is opening the circuit and not feeding power to the pump would be why it doesn't blow the fuse when it is removed.
More than likly a fuse is blown. The problem isn't the blown fuse but the cause of the fuse getting blown. The blower motors seise and lock up then the fuse blows the blower can get something in it mouse pen dropped thoght defroster. The ballast resiter burns out and then it don;t blow the fuse, Rarely the switch gets unpluged or burnt out but not a common problem. Fuse is 30 amp green.
check transfer case electrical switch, sometime if it bad it will also blow the fuse. don'trecommend you put any higher fuse than recommend, If the fuse blow there is a short some where and by putting higher amp fuse you might short or burn something else beside the fuse. if that check out than check your transfer case motor, might lock up and not allowing the motor to turn instead it short the fuse. don't drive the car, just leave it in park, put correct fuse amp back in and unplug transfer case electric switch and turn the key on (dont start the car) and see if the fuse blow; if not plug it back in and see if it blow the fuse. if that is not the case, unplug transfer case wire, and do the same and see if it blow the fuse.
I suggest you open the fuel tank and "fish" up the fuel line hose with the filter attached. Simply blow out the filter. That should allow your engine to get necessary fuel to carbuetor. This is 90% of today's no start problems.
a little more info what year and model and what fuse is blowing what does it control. with a little more info im sure we can find the short or bad component . also i need to know when it blows right when you put it in or when you turn the key on or do you have to start the car to make it blow or do you have to turn on a certain assessory?
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