Why might a car with a new battery and starter not start?

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sounds like the starter solenoid

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Did you check the selenoid? Another possibility is that it could be a faulty brand of starters. Try a different manufacturer if there is a compatible. I replaced 4 in 2 months...then tried a different brand. No more problems. Meanwhile, to get it started(a little trick someone taught me that worked), have someone tap the starter repeatedly(not bang -but a healthy tap)while simultaneously trying to start the car.

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Many newer vehicles also have a main fuse for the ignition system which will prevent anything from happening if it is blown. It may have blown when installing the new components.

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To answer this, one forst needs to know if it is not cranking (doning nothing when the key is turned) or it is cranking but not starting.

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doing nothing when key is turned on

1 of 4 things.

1) if have a security chip key.....chip has gone bad, or need to enter a security code after battery was replaced (newer high end car's have this thieft protection)

2) ignition switch faulty

3)starter wiring circuit, poor connection

4) selenode / starter faulty

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First answer by will nelson. Last edit by KaptCrunch. Contributor trust: 48 [recommend contributor]. Question popularity: 121 [recommend question]

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