jeep won't stay running

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12-22-2014, 11:07 PM

Spaceman

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Year: 1990

Model: Cherokee

Engine: 4.0

jeep won't stay running

I just replaced the alternator and I started my jeep up and it ran fine for a few minutes so I shut it off and went back inside and went to leave a few hours later and now it starts and runs for two seconds then shuts off I'm mind boggled any help please ???

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12-23-2014, 01:47 PM

dukie564

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Year: 1995

Model: Cherokee

Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts

was the battery dead before you replaced the alternator? Put it on a charger for a few hours then try - if the battery is weak it won't let the truck run

Also could be the ballast resistor for the fuel pump. It's a white plastic looking think on the drivers side fender, pull the wires off the terminals and jumper them together to bypass the resistor and try again.