Question about 1989 Jeep Cherokee
Most likely the problem is with the ignition switch. Check related wiring and also check the new fuel pump pressure and connectors. On this type of vehicles, the harness coming out of the computer to the motor tends to rub against the protruding studs coming off the fender well and the firewall, over time, it wears the outside insulation and the wires insulation, shorting out and preventing the engine from start.
The Fuel System usually bleeds itself and has nothing to do with the Ignition System (spark), except that they both are controlled by the PCM.
Check those things and keep me posted!!
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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