Question about 2000 Jeep Grand Cherokee

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4.7 fuel pump 20amp fuse keeps blowing

As above problem.

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It sounds as if the fuel pump is at fault, have you had it checked over?

Posted on Oct 22, 2008

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Why does the 20amp fuse for the fuel pump keep popping?


rodeo or rodeo SPORT?
2.2 or 3.2 engine> not even a cylinder count....
i wish all problems were this simple. (easy with ammeter)
the load is SHORTEd, the fuse saved the fire.
x2 all above answers
but keep in mind some fuses run more that one thing, ill check.

20amp fuse (no label) no engine option stated, must be the 6ve1, v6 twin cam.
fuel systems vary by (engine type)
not the 3.5L vin Y engines. 2.2 or 3.2L>?
fuse EB12, Engine bay fuse blows, 20a, fuel pump.

so pull these conn.
H-15 first
then if ok, (no blow)
H-25: if not blow now the pump is shorted
or the wire from H25 to F1 is ground to the frame.
wire inspections are first. on that path.
i use a EB12 , circuit breaker and mag ammeter to find this fast.
ask.



2.2L
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Sep 18, 2014 | 2003 Isuzu Rodeo

1 Answer

Why does my fuel relay fuse keep blowing?l999 Ford F 350 7.3


There's a short to ground in the circuit, probably in the harness at the tank or inside the tank. You could unplug the connector at the tank and recheck it.

Aug 27, 2012 | Cars & Trucks

1 Answer

1987 Chevy silverado gauge / idle fuse keeps blowing


The 20amp ga/idle fuse powers a hot fuel module which powers the oil pressure switch, the fuel pump relay, and the fuel gauge in the tank.
Any of the four components including the fuel pump can blow the fuse.

Jul 23, 2012 | Chevrolet Cars & Trucks

1 Answer

Fuel pump fuse keeps blowing on my 95 Crown Vic


Using a smaller fuse should make the problem happen more often.
A mechanic would unplug the pump harness at the tank and check the circuit for high resistance or a short to ground.
If nothing is found in the harness, I would suspect the pump in the tank.

Jul 19, 2012 | Ford Crown Victoria Cars & Trucks

1 Answer

I have 97 ford mustang gt v8 4.6 engine as i was driving home one day my car died check the 20amp fuse that was blown and small 30amp under the hood. replace the fuse blown again crank the car up the theft...


The twenty amp maxi fuse in the under the hood fuse panel goes to, you guessed it, the fuel pump. It sounds to me like you have a short to ground in the wiring that keeps popping this fuse. Find and fix the short, or you will keep blowing fuses.

Aug 12, 2017 | Ford Mustang Cars & Trucks

2 Answers

2000 eclipse 4cylinder 20amp fuse keeps blowing to the fuel pump


A wire going to that fuse may be grounding out somewhere in the car causing fuse to blow. Other than that Im not really sure what to tell you.

Feb 03, 2009 | Mitsubishi Eclipse Cars & Trucks

1 Answer

20amp fuse in black box keeps blowing


dear,


The fuse ecm b it tied to the fuel pump, PCM, and VCM.
Fuel pump could have an internal short
check it by the way...

regards,

Sep 30, 2008 | 1999 GMC Sonoma

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