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1999 Jeep Grand Cherokee intermittent starting

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Old 10-17-2017 | 06:06 PM
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Default 1999 Jeep Grand Cherokee intermittent starting

Starter ok, battery, ok installed new starter relay and ECM. All the dash lights and other electronics turn on with the ignition. After the is driven and sits for a while, the car will not start. The following day the car will start. Totally baffled....anyone have any ideas?
Old 10-17-2017 | 11:57 PM
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From: Northern Kentucky
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0
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Welcome! Just for future, there is a better section for your specific model

https://www.cherokeeforum.com/f1/ <--- this is the grand cherokee section.

What motor is in your Jeep? Is it the 4.0 inline 6 or the 4.7 v8?
Old 10-18-2017 | 07:31 AM
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I moved it
Old 10-18-2017 | 08:56 AM
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Default Intermittent starting

The engine is the 6 cylinder.
Old 10-18-2017 | 08:07 PM
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Originally Posted by cruiser54
I moved it
:Thumbsup:

Originally Posted by Amicu
The engine is the 6 cylinder.
Does the starter crank when you turn the key or does it do nothing at all?
Old 10-18-2017 | 10:12 PM
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Starter does not turn over. The only thing working is the dash board lights. Tried to start the engine in neutral, still wil not turn over.
Old 10-18-2017 | 11:52 PM
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Year: 1999
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That sounds like a neutral safety switch malfunction. On our models, I'd recommend taking it out and cleaning it, but your model has a different type of NSS....
Old 10-19-2017 | 05:26 AM
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NSS, in side of transmission just above the shift cable entry.
Old 10-20-2017 | 08:25 AM
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Originally Posted by Basslicks
That sounds like a neutral safety switch malfunction. On our models, I'd recommend taking it out and cleaning it, but your model has a different type of NSS....

Tried this, but didn't work
Also tried starting in neutral. .still doesn't work. ..
Old 10-21-2017 | 06:06 AM
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Have you tested the switch or checked for power to it?
Old 10-21-2017 | 08:59 AM
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Yes, I have power to the starter and the ignition switch.
Old 10-21-2017 | 10:07 AM
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Year: 2000 XJ Sport & WJ Laredo
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No, I'm talking about the NSS. You should only have power to the starter solenoid with the key in the start position. Try putting a jumper wire from the large terminal on the starter to the small one. The starter should crank the engine when you do that.
Old 10-26-2017 | 12:14 AM
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Year: 1990
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Engine: 4.0
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Weak or no crank when hot is almost always a bad starter. Not with this particular vehicle, but in general. The starter can test ok cold and fail when hot. Sometimes they totally fail soon after the first signs of issues, sometimes they work intermittently for weeks.
Old 10-26-2017 | 04:45 AM
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Okay, I remember carrying a hammer to tap on the starter to make it work! LOL!
Old 10-30-2017 | 09:49 PM
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Originally Posted by dave1123
Okay, I remember carrying a hammer to tap on the starter to make it work! LOL!
My kid did this for months earlier this year. Broke up with his leech girlfriend, went to leave, car wouldn't start. took hours for a ride, and they made up while he was waiting.

There is a moral in there somewhere.


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