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You should always replace fuses with the same rated fuse as the one removed. Most likely if it keeps blowing the same fuse something in that circuit is directly shorted out.What fuse is it that keeps popping?
Missd the fuel pump fuse blowing but neverless something in the circuit is directly shorting out or the pump is drawing to much amperage.Missd the fuel pump fuse blowing but neverless something in the circuit is directly shorting out or the pump is drawing to much amperage.
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check again the fuel pump. check the resistance if too low. or unplug the pump and put a fuse again, if the fuse will not blow, then the pump went bad again.
Hey Paula, if it keeps blowing that could mean a short in system or more so the pump is having trouble pumping it is 20 years old also check the fuel pump relay
the problem could be the fuel pump fuses only blow when they are overloaded ie. if you have a 15 amp fuse & the fuel pump or whatever is drawing 20 amps the fuse will blow,if you are using the right amp fuse the fuel pump is drawing too much power & may be faulty or there is a problem with the wiring, a loose connection or the like.....hope this helps....cheers
that gray wire is the fuel pump power supply . You cut the wire were an
positive tested it ??? An what does that mean . you positive tested it ? Wish you people would learn to talk like a mechanic would ! If you cut the wire near the relay an checked with a ohm meter or a test light with B+ volt , of couse it going to show ground ! It's going through the fuel pump windings to ground on the other side . What fuse keeps blowing ?ECM B - 20 amp ? This powers the fuel pump as well . May not even be the fuel pump circuit blowing the fuse . You need to find everything that fuse powers and isolate the different circuits . Videos on youtube showing how to find a short .
use a circuit breaker or paper clip with pliers so you do not burn yourself use paper clip as fuse unplug engine controll sensors 1 at a time and check if problem is gone after each one is unplugged an engine controll sensor is most likely shorting out if you have a map sensor try that first then move on to other components tps,fuel pump ect. till you find wich is fauly causeing short this should help you just be carefull with paperclip am saying to do this instead of blowing expensive fuses
yor fuel pump is more likely to be defective and this can checked by connecting a mulitimeter and checking the current draw on operation should not exceed 3 amps
It appears that it is part of the fuel pump circuit, so I would concentrate on wiring harness & connector at fuel pump, clean it real good, and apply dielectric grease to the connection, as well as the fuel pump relay, connector & harness.
Verify fuse is correct size, then see what you are turning on else when it blows. Fuel pumps are designed to pump up then shut off, until needed when starting and running. It might not be shutting off and staying running when vehicle is not running. Make sure ground circuit is in good shape and positive side as well. Does this blow fuses when you go to start, or does it start and run for awhile then blow?
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