Engine does not crank

Tiny
APRIL1725
  • MEMBER
  • 2002 MERCURY MOUNTAINEER
  • 4.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 198,000 MILES
My truck will not turn over at all. I got a brand new battery because I thought maybe that was the problem but that did not work either. All the dash lights come on but when I go to start it, it is like a tick noise under the hood. Not sure if it is the starter a relay switch or what.
Wednesday, July 18th, 2018 AT 7:50 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi and thanks for using 2CarPros.Com.

Based on your description, it does sound like the starter may be the issue. First, take a look through this link. It explains how the starter works.

https://www.2carpros.com/articles/how-a-starter-and-solenoid-works

After reading the aforementioned link information, we need to test the starter itself. Either you can remove the starter and have it bench tested at a parts store (most will do it for free) or you can check it yourself. Using a multi meter/volt meter, you will need to check if there is power to the smaller wire on the starter solenoid. That wire should only get power when the key is in the start position. Otherwise, it should not have power. The larger wire is directly from the battery, so it is always hot. Make sure not to short it.

If needed, here are a couple links describing how to use a test light and a volt meter. Keep in mind, you will need a helper to turn the key to the start position while you check for power. If there is power to the small wire in the start position, the starter is bad.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Let me know if this helps or if you have other questions.

Take care,
Joe
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Wednesday, July 18th, 2018 AT 7:41 PM

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