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 Won't Start Issues









Won't Start Issues Last Updated: Jun 1st, 2009 - 09:34:53


1989 Jeep Cherokee Engine Will Not Start Sometimes


By Austin Davis
Oct 31, 2007, 09:19
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Reader Question
Re: 1989 Jeep Cherokee Limited, 4.0L, automatic, good battery, intermittent start issue.

Intermittently, when I insert the key and turn to start, all the accessories items (dash lights and radio, etc.) come on but the starter does not engage.

Headlights shine brightly. The only sound after rotating the key is a very quiet whir, located forward of the dash gauges, that pulses every second or two. (What is that?) There is no solenoid or starter sound.

The battery is excellent. The short-term solution is to wait: four times out of five the car will start perfectly after waiting a half hour or more. When it starts or doesn't is not (engine or ambient)-temperature dependent. I'm guessing the issue relates to a 1) relay or 2) sensor.


Q: Do you know of a history with this model that might help?
Q: How do I test?
Q: Suggestions?


THANK YOU!
Stan




Hey there Stan,



My first guess would be you probably have an intermittent starter motor problem. The starter is located under the vehicle on the passenger side, and sometimes you can LIGHTLY tap the side of the starter with a block of wood AS someone holds the ignition key in the start position. PLEASE make sure the vehicle is in PARK and the emergency brake is on if you do this.


You can also try moving the gear shifter around and try starting in neutral. There is a "neutral safety switch" that will not allow the engine to start in gear. The switch can fail and not send battery current to the starter motor.

You can sometimes wiggle the shifter and move it through the gears AS you hold the key in the start position. If it starts, you might have a bad neutral safety switch or a switch that is out of adjustment.


Blessings,
Austin Davis




 




Related Topics -

89 Jeep Cherokee auto repair manual - Jeep car insurance quote - starter motor problems



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