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Vehicle will not start intermittently

Tiny
ZACKARY SIRNY
  • MEMBER
  • 2003 JEEP LIBERTY
  • 130,000 MILES
I turn the key, the lights, dash, fuel pump, everything comes on but it will not turn over or engage the starter. Sometimes it cranks over and starts right up, other times it will not turn over at all. If I wait and keep trying it, eventually it will turn over and start. I have checked battery, alternator, starter, all good.
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Saturday, January 5th, 2019 AT 8:00 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached a diagram for the starting circuit.

Do you have a voltmeter to do some checks? We need to verify powers and grounds.

Roy
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Sunday, January 6th, 2019 AT 6:55 AM
Tiny
ZACKARY SIRNY
  • MEMBER
  • 2 POSTS
Yes, I have a voltmeter. Update: I let it sit for a couple days and now it will start. Then out of nowhere I will get in, turn the key and it will not crank over. If I keep trying it eventually it will magically turn over and start. I might have to try 20-30 times and then on one time it will work.
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Monday, January 7th, 2019 AT 9:21 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, when it wont start, you need to verify power to the starter relay. Make sure there is power to the relay.

Roy
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Monday, January 7th, 2019 AT 5:38 PM

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