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Thanks for replying that you got it fixed (fingers crossed). It does make sense that the ignition could be causing the problem. Parasitic draws can be a nightmare to resolve. The fuel pressure dropping to 25 psi I wouldn't get 2 wound up over. The fuel pump should prime for 2 seconds when you turn the key on and rebuild the pressure pretty quick. If you notice extended cranks, then I would consider replacing the fuel pump. A 98 Cherokee has the pump in the top of the tank and it will have to be dropped to replace the pump. I have seen guys cut holes in the cargo floor. But i don't recommend it. 