help
04-11-2009, 10:41 AM
#1
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Year: 1987
Model: Cherokee
Engine: 4.0 soon to be gc ho 4.0
help
ok so i installed another fuel pump and when you try to crank no fuel comes outa the main line and wires connected to selenoid get hot and smoke.....
SUGGESTIONS PLEASE
:brick wall:
SUGGESTIONS PLEASE
:brick wall:
04-11-2009, 11:00 AM
#3
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Year: 1987
Model: Cherokee
Engine: 4.0 soon to be gc ho 4.0
would the ballast resistor keep it from pumping fuel? and cause wires to smoke by starter selenoid? cant find it neways...not on drivers fender?
Last edited by crashzx6r; 04-11-2009 at 11:05 AM.
04-11-2009, 11:23 AM
#4
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Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
BR wouldn't cause smoking issue. Something causing an over-draw. Careful with those fuel pump wires, you don't need even one good spark around those fumes!
04-11-2009, 11:42 AM
#6
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Year: 1987
Model: Cherokee
Engine: 4.0 soon to be gc ho 4.0
ok just tried again and it spit fuel out so i hooked it back up and it tried to run...a couple times now it wont start again....no fuel comin to fuel rail.
04-11-2009, 11:54 AM
#7
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Year: 1996
Model: Cherokee
Engine: 4.0
did you replace the filter if u did which im guesing you did try tracing the fuel pump wires back make sure they arent bare anywhere sounds like its horting out
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04-11-2009, 01:49 PM
#8
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Year: 1987
Model: Cherokee
Engine: 4.0 soon to be gc ho 4.0
ok i replaced some wires inside tank that went to fuel pump and new filter, still no luck. im so frustrated its unreal.
04-11-2009, 02:25 PM
#9
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Year: 1987
Model: Cherokee
Engine: 4.0 soon to be gc ho 4.0
theres gotta be a fuse or elay for fuel pump. if so where are they located i have no diagram and all the relays look same. its on a 87 xj 4x4 laredo 4.0 aw4..i cant find anyproblems now it wont pump fuel... like it did just turns over...worked about a hour ago for a few it tried runnin and cut off.