Question about 1998 Jeep Cherokee
This maybe your neutral safety switch, it's located on the right side of your transmission
Posted on Apr 02, 2014
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Posted on Jan 02, 2017
It could be the computer. Computers can diagose whats wrong in your car but it cannot diagnose itself. Get a jeep mechanic to check. The computer might of gotten water in it. In a 1996 jeep grand cherokee the computer is right over the right wheel when you looking straight from a seat. The wheel may have slung water or mud up into the computer.
Posted on Sep 13, 2009
Could be one of several items...I'd check the fuel pump relay, auto shutdown relay and the ignition switch itself. I'd bet on it being one of those relays but, we all have been fooled at least once!!! I'd also make sure that body and engine grounding is good and clean. Relays can't work properly without a good ground.
Posted on Nov 03, 2009
A failing crank sensor sometimes won't set a code, but it will not prevent the check engine light from coming on.
I'd test it with an ohmeter both hot and cold just to make sure it's good, but think your problem is likely to be a connection between the ignition switch and the computer or a security system fault (if you have one). I'm not absolutely positive, but I believe that both years on that sensor are interchangable. It is also possible that some time in the past, the engine or flywheel was replaced and required the sensor to be changed along with that repair. If the vehicle was running fine before this problem arose then likely, whatever parts were installed were just fine.
In disconnecting and re-connecting the battery it can cause a small electrical arc that will temporarily "weld" a bad connection back together till vibration or temperature change causes the connection to come apart again. That can happen in the harness connections or even on the computer internal board. Neither are easy to find and you will need to check continuity of any and all power wires going into the computer (grounds too) in order
to locate the problem.
Chilton has good wiring diagrams and I'd definitely be using that manual as a guide. If I can find a decent diagram for your vehicle, I'll send it later, but I'm not sure I have one.
Good luck and be patient!
Posted on Jun 26, 2010
Testimonial: "Gotta love it, turns out that the engine block was from a 1994. Someone must've swapped out the engine..It turned out to be a bad Crank sensor. Thanks for all your help.."
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