No crank no start issue

Tiny
SLEE7693@GMAIL.COM
  • MEMBER
  • 2002 JEEP LIBERTY
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 161,000 MILES
Won't start or even crank.
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Wednesday, May 6th, 2020 AT 2:00 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

A no start no crank condition can be the result of a few different things. First, are you certain the battery is charged and providing enough power? Are the battery terminals clean and tight? Do other electrical components working? If everything else is good and the battery is good, then we need to move on. I have provide a list of checks. Please don't be overwhelmed with them. They are all very simple to do and you can ask me questions if you want. I put them in the order I would check them.

For testing the battery, here is a very simple test to try. Just follow what is mentioned in this link:

https://www.2carpros.com/articles/car-battery-load-test

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Next, if the battery tests good for you, see if it starts by placing the sifter in neutral. By doing this, it helps eliminate a problem with the neutral safety switch.

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If it doesn't start in neutral, I need you to check three different fuses. All are located in the power distribution box (fuse box) under the hood. If you look at pic 1, it is part of the wiring schematic for the starter. I circled the fuses needing checked. Pic 2 shows their locations
in the fuse box. In addition to just checking the fuse, make sure there is power to them. Here is a link that explains how to do it:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

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If all fuses are good, I want you to check the starter relay. It too is located in the same fuse / power distribution box. I highlighted in in pic 3. Simply switch that relay with a different one having the same part number. If there isn't one in the box (there should be) then here is a link that explains how to test a relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

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Okay, let me know what you find. If everything checks good, we will move ahead with further tests.

Take care,
Joe
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Wednesday, May 6th, 2020 AT 8:44 PM

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